402516400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:300

約数の個数: 240

約数和(自身を含む): 1177924608

約数和(自身を除く): 775408208

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, 227, 248, 260, 275, 286, 310, 325, 341, 400, 403, 440, 454, 496, 520, 550, 572, 620, 650, 682, 715, 775, 806, 880, 908, 1040, 1100, 1135, 1144, 1240, 1300, 1364, 1430, 1550, 1612, 1705, 1816, 2015, 2200, 2270, 2288, 2480, 2497, 2600, 2728, 2860, 2951, 3100, 3224, 3410, 3575, 3632, 4030, 4400, 4433, 4540, 4994, 5200, 5456, 5675, 5720, 5902, 6200, 6448, 6820, 7037, 7150, 8060, 8525, 8866, 9080, 9988, 10075, 11350, 11440, 11804, 12400, 12485, 13640, 14074, 14300, 14755, 16120, 17050, 17732, 18160, 19976, 20150, 22165, 22700, 23608, 24970, 27280, 28148, 28600, 29510, 32240, 32461, 34100, 35185, 35464, 39952, 40300, 44330, 45400, 47216, 49940, 56296, 57200, 59020, 62425, 64922, 68200, 70370, 70928, 73775, 77407, 80600, 88660, 90800, 91481, 99880, 110825, 112592, 118040, 124850, 129844, 136400, 140740, 147550, 154814, 161200, 162305, 175925, 177320, 182962, 199760, 221650, 236080, 249700, 259688, 281480, 295100, 309628, 324610, 351850, 354640, 365924, 387035, 443300, 457405, 499400, 519376, 562960, 590200, 619256, 649220, 703700, 731848, 774070, 811525, 886600, 914810, 998800, 1006291, 1180400, 1238512, 1298440, 1407400, 1463696, 1548140, 1623050, 1773200, 1829620, 1935175, 2012582, 2287025, 2596880, 2814800, 3096280, 3246100, 3659240, 3870350, 4025164, 4574050, 5031455, 6192560, 6492200, 7318480, 7740700, 8050328, 9148100, 10062910, 12984400, 15481400, 16100656, 18296200, 20125820, 25157275, 30962800, 36592400, 40251640, 50314550, 80503280, 100629100, 201258200, 402516400]

約数ペア:

[(1, 402516400), (2, 201258200), (4, 100629100), (5, 80503280), (8, 50314550), (10, 40251640), (11, 36592400), (13, 30962800), (16, 25157275), (20, 20125820), (22, 18296200), (25, 16100656), (26, 15481400), (31, 12984400), (40, 10062910), (44, 9148100), (50, 8050328), (52, 7740700), (55, 7318480), (62, 6492200), (65, 6192560), (80, 5031455), (88, 4574050), (100, 4025164), (104, 3870350), (110, 3659240), (124, 3246100), (130, 3096280), (143, 2814800), (155, 2596880), (176, 2287025), (200, 2012582), (208, 1935175), (220, 1829620), (227, 1773200), (248, 1623050), (260, 1548140), (275, 1463696), (286, 1407400), (310, 1298440), (325, 1238512), (341, 1180400), (400, 1006291), (403, 998800), (440, 914810), (454, 886600), (496, 811525), (520, 774070), (550, 731848), (572, 703700), (620, 649220), (650, 619256), (682, 590200), (715, 562960), (775, 519376), (806, 499400), (880, 457405), (908, 443300), (1040, 387035), (1100, 365924), (1135, 354640), (1144, 351850), (1240, 324610), (1300, 309628), (1364, 295100), (1430, 281480), (1550, 259688), (1612, 249700), (1705, 236080), (1816, 221650), (2015, 199760), (2200, 182962), (2270, 177320), (2288, 175925), (2480, 162305), (2497, 161200), (2600, 154814), (2728, 147550), (2860, 140740), (2951, 136400), (3100, 129844), (3224, 124850), (3410, 118040), (3575, 112592), (3632, 110825), (4030, 99880), (4400, 91481), (4433, 90800), (4540, 88660), (4994, 80600), (5200, 77407), (5456, 73775), (5675, 70928), (5720, 70370), (5902, 68200), (6200, 64922), (6448, 62425), (6820, 59020), (7037, 57200), (7150, 56296), (8060, 49940), (8525, 47216), (8866, 45400), (9080, 44330), (9988, 40300), (10075, 39952), (11350, 35464), (11440, 35185), (11804, 34100), (12400, 32461), (12485, 32240), (13640, 29510), (14074, 28600), (14300, 28148), (14755, 27280), (16120, 24970), (17050, 23608), (17732, 22700), (18160, 22165), (19976, 20150)]