28170828400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15887}}^1$

素因数の和:15960

約数の個数: 240

約数和(自身を含む): 82082746368

約数和(自身を除く): 53911917968

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 31, 40, 44, 50, 52, 55, 62, 65, 80, 88, 100, 104, 110, 124, 130, 143, 155, 176, 200, 208, 220, 248, 260, 275, 286, 310, 325, 341, 400, 403, 440, 496, 520, 550, 572, 620, 650, 682, 715, 775, 806, 880, 1040, 1100, 1144, 1240, 1300, 1364, 1430, 1550, 1612, 1705, 2015, 2200, 2288, 2480, 2600, 2728, 2860, 3100, 3224, 3410, 3575, 4030, 4400, 4433, 5200, 5456, 5720, 6200, 6448, 6820, 7150, 8060, 8525, 8866, 10075, 11440, 12400, 13640, 14300, 15887, 16120, 17050, 17732, 20150, 22165, 27280, 28600, 31774, 32240, 34100, 35464, 40300, 44330, 57200, 63548, 68200, 70928, 79435, 80600, 88660, 110825, 127096, 136400, 158870, 161200, 174757, 177320, 206531, 221650, 254192, 317740, 349514, 354640, 397175, 413062, 443300, 492497, 635480, 699028, 794350, 826124, 873785, 886600, 984994, 1032655, 1270960, 1398056, 1588700, 1652248, 1747570, 1773200, 1969988, 2065310, 2271841, 2462485, 2796112, 3177400, 3304496, 3495140, 3939976, 4130620, 4368925, 4543682, 4924970, 5163275, 5417467, 6354800, 6402461, 6990280, 7879952, 8261240, 8737850, 9087364, 9849940, 10326550, 10834934, 11359205, 12312425, 12804922, 13980560, 16522480, 17475700, 18174728, 19699880, 20653100, 21669868, 22718410, 24624850, 25609844, 27087335, 32012305, 34951400, 36349456, 39399760, 41306200, 43339736, 45436820, 49249700, 51219688, 54174670, 56796025, 64024610, 69902800, 70427071, 82612400, 86679472, 90873640, 98499400, 102439376, 108349340, 113592050, 128049220, 135436675, 140854142, 160061525, 181747280, 196998800, 216698680, 227184100, 256098440, 270873350, 281708284, 320123050, 352135355, 433397360, 454368200, 512196880, 541746700, 563416568, 640246100, 704270710, 908736400, 1083493400, 1126833136, 1280492200, 1408541420, 1760676775, 2166986800, 2560984400, 2817082840, 3521353550, 5634165680, 7042707100, 14085414200, 28170828400]

約数ペア:

[(1, 28170828400), (2, 14085414200), (4, 7042707100), (5, 5634165680), (8, 3521353550), (10, 2817082840), (11, 2560984400), (13, 2166986800), (16, 1760676775), (20, 1408541420), (22, 1280492200), (25, 1126833136), (26, 1083493400), (31, 908736400), (40, 704270710), (44, 640246100), (50, 563416568), (52, 541746700), (55, 512196880), (62, 454368200), (65, 433397360), (80, 352135355), (88, 320123050), (100, 281708284), (104, 270873350), (110, 256098440), (124, 227184100), (130, 216698680), (143, 196998800), (155, 181747280), (176, 160061525), (200, 140854142), (208, 135436675), (220, 128049220), (248, 113592050), (260, 108349340), (275, 102439376), (286, 98499400), (310, 90873640), (325, 86679472), (341, 82612400), (400, 70427071), (403, 69902800), (440, 64024610), (496, 56796025), (520, 54174670), (550, 51219688), (572, 49249700), (620, 45436820), (650, 43339736), (682, 41306200), (715, 39399760), (775, 36349456), (806, 34951400), (880, 32012305), (1040, 27087335), (1100, 25609844), (1144, 24624850), (1240, 22718410), (1300, 21669868), (1364, 20653100), (1430, 19699880), (1550, 18174728), (1612, 17475700), (1705, 16522480), (2015, 13980560), (2200, 12804922), (2288, 12312425), (2480, 11359205), (2600, 10834934), (2728, 10326550), (2860, 9849940), (3100, 9087364), (3224, 8737850), (3410, 8261240), (3575, 7879952), (4030, 6990280), (4400, 6402461), (4433, 6354800), (5200, 5417467), (5456, 5163275), (5720, 4924970), (6200, 4543682), (6448, 4368925), (6820, 4130620), (7150, 3939976), (8060, 3495140), (8525, 3304496), (8866, 3177400), (10075, 2796112), (11440, 2462485), (12400, 2271841), (13640, 2065310), (14300, 1969988), (15887, 1773200), (16120, 1747570), (17050, 1652248), (17732, 1588700), (20150, 1398056), (22165, 1270960), (27280, 1032655), (28600, 984994), (31774, 886600), (32240, 873785), (34100, 826124), (35464, 794350), (40300, 699028), (44330, 635480), (57200, 492497), (63548, 443300), (68200, 413062), (70928, 397175), (79435, 354640), (80600, 349514), (88660, 317740), (110825, 254192), (127096, 221650), (136400, 206531), (158870, 177320), (161200, 174757)]