172000400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 240

約数和(自身を含む): 506300928

約数和(自身を除く): 334300528

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, 97, 100, 104, 110, 124, 130, 143, 155, 176, 194, 200, 208, 220, 248, 260, 275, 286, 310, 325, 341, 388, 400, 403, 440, 485, 496, 520, 550, 572, 620, 650, 682, 715, 775, 776, 806, 880, 970, 1040, 1067, 1100, 1144, 1240, 1261, 1300, 1364, 1430, 1550, 1552, 1612, 1705, 1940, 2015, 2134, 2200, 2288, 2425, 2480, 2522, 2600, 2728, 2860, 3007, 3100, 3224, 3410, 3575, 3880, 4030, 4268, 4400, 4433, 4850, 5044, 5200, 5335, 5456, 5720, 6014, 6200, 6305, 6448, 6820, 7150, 7760, 8060, 8525, 8536, 8866, 9700, 10075, 10088, 10670, 11440, 12028, 12400, 12610, 13640, 13871, 14300, 15035, 16120, 17050, 17072, 17732, 19400, 20150, 20176, 21340, 22165, 24056, 25220, 26675, 27280, 27742, 28600, 30070, 31525, 32240, 33077, 34100, 35464, 38800, 39091, 40300, 42680, 44330, 48112, 50440, 53350, 55484, 57200, 60140, 63050, 66154, 68200, 69355, 70928, 75175, 78182, 80600, 85360, 88660, 100880, 106700, 110825, 110968, 120280, 126100, 132308, 136400, 138710, 150350, 156364, 161200, 165385, 177320, 195455, 213400, 221650, 221936, 240560, 252200, 264616, 277420, 300700, 312728, 330770, 346775, 354640, 390910, 426800, 430001, 443300, 504400, 529232, 554840, 601400, 625456, 661540, 693550, 781820, 826925, 860002, 886600, 977275, 1109680, 1202800, 1323080, 1387100, 1563640, 1653850, 1720004, 1773200, 1954550, 2150005, 2646160, 2774200, 3127280, 3307700, 3440008, 3909100, 4300010, 5548400, 6615400, 6880016, 7818200, 8600020, 10750025, 13230800, 15636400, 17200040, 21500050, 34400080, 43000100, 86000200, 172000400]

約数ペア:

[(1, 172000400), (2, 86000200), (4, 43000100), (5, 34400080), (8, 21500050), (10, 17200040), (11, 15636400), (13, 13230800), (16, 10750025), (20, 8600020), (22, 7818200), (25, 6880016), (26, 6615400), (31, 5548400), (40, 4300010), (44, 3909100), (50, 3440008), (52, 3307700), (55, 3127280), (62, 2774200), (65, 2646160), (80, 2150005), (88, 1954550), (97, 1773200), (100, 1720004), (104, 1653850), (110, 1563640), (124, 1387100), (130, 1323080), (143, 1202800), (155, 1109680), (176, 977275), (194, 886600), (200, 860002), (208, 826925), (220, 781820), (248, 693550), (260, 661540), (275, 625456), (286, 601400), (310, 554840), (325, 529232), (341, 504400), (388, 443300), (400, 430001), (403, 426800), (440, 390910), (485, 354640), (496, 346775), (520, 330770), (550, 312728), (572, 300700), (620, 277420), (650, 264616), (682, 252200), (715, 240560), (775, 221936), (776, 221650), (806, 213400), (880, 195455), (970, 177320), (1040, 165385), (1067, 161200), (1100, 156364), (1144, 150350), (1240, 138710), (1261, 136400), (1300, 132308), (1364, 126100), (1430, 120280), (1550, 110968), (1552, 110825), (1612, 106700), (1705, 100880), (1940, 88660), (2015, 85360), (2134, 80600), (2200, 78182), (2288, 75175), (2425, 70928), (2480, 69355), (2522, 68200), (2600, 66154), (2728, 63050), (2860, 60140), (3007, 57200), (3100, 55484), (3224, 53350), (3410, 50440), (3575, 48112), (3880, 44330), (4030, 42680), (4268, 40300), (4400, 39091), (4433, 38800), (4850, 35464), (5044, 34100), (5200, 33077), (5335, 32240), (5456, 31525), (5720, 30070), (6014, 28600), (6200, 27742), (6305, 27280), (6448, 26675), (6820, 25220), (7150, 24056), (7760, 22165), (8060, 21340), (8525, 20176), (8536, 20150), (8866, 19400), (9700, 17732), (10075, 17072), (10088, 17050), (10670, 16120), (11440, 15035), (12028, 14300), (12400, 13871), (12610, 13640)]