399864660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:798

約数の個数: 192

約数和(自身を含む): 1300561920

約数和(自身を除く): 900697260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 31, 39, 46, 52, 60, 62, 65, 69, 78, 92, 93, 115, 124, 130, 138, 155, 156, 186, 195, 230, 260, 276, 299, 310, 345, 372, 390, 403, 460, 465, 598, 620, 690, 713, 719, 780, 806, 897, 930, 1196, 1209, 1380, 1426, 1438, 1495, 1612, 1794, 1860, 2015, 2139, 2157, 2418, 2852, 2876, 2990, 3565, 3588, 3595, 4030, 4278, 4314, 4485, 4836, 5980, 6045, 7130, 7190, 8060, 8556, 8628, 8970, 9269, 9347, 10695, 10785, 12090, 14260, 14380, 16537, 17940, 18538, 18694, 21390, 21570, 22289, 24180, 27807, 28041, 33074, 37076, 37388, 42780, 43140, 44578, 46345, 46735, 49611, 55614, 56082, 66148, 66867, 82685, 89156, 92690, 93470, 99222, 111228, 111445, 112164, 133734, 139035, 140205, 165370, 185380, 186940, 198444, 214981, 222890, 248055, 267468, 278070, 280410, 289757, 330740, 334335, 429962, 445780, 496110, 512647, 556140, 560820, 579514, 644943, 668670, 859924, 869271, 992220, 1025294, 1074905, 1159028, 1289886, 1337340, 1448785, 1537941, 1738542, 2050588, 2149810, 2563235, 2579772, 2897570, 3075882, 3224715, 3477084, 4299620, 4346355, 5126470, 5795140, 6151764, 6449430, 6664411, 7689705, 8692710, 10252940, 12898860, 13328822, 15379410, 17385420, 19993233, 26657644, 30758820, 33322055, 39986466, 66644110, 79972932, 99966165, 133288220, 199932330, 399864660]

約数ペア:

[(1, 399864660), (2, 199932330), (3, 133288220), (4, 99966165), (5, 79972932), (6, 66644110), (10, 39986466), (12, 33322055), (13, 30758820), (15, 26657644), (20, 19993233), (23, 17385420), (26, 15379410), (30, 13328822), (31, 12898860), (39, 10252940), (46, 8692710), (52, 7689705), (60, 6664411), (62, 6449430), (65, 6151764), (69, 5795140), (78, 5126470), (92, 4346355), (93, 4299620), (115, 3477084), (124, 3224715), (130, 3075882), (138, 2897570), (155, 2579772), (156, 2563235), (186, 2149810), (195, 2050588), (230, 1738542), (260, 1537941), (276, 1448785), (299, 1337340), (310, 1289886), (345, 1159028), (372, 1074905), (390, 1025294), (403, 992220), (460, 869271), (465, 859924), (598, 668670), (620, 644943), (690, 579514), (713, 560820), (719, 556140), (780, 512647), (806, 496110), (897, 445780), (930, 429962), (1196, 334335), (1209, 330740), (1380, 289757), (1426, 280410), (1438, 278070), (1495, 267468), (1612, 248055), (1794, 222890), (1860, 214981), (2015, 198444), (2139, 186940), (2157, 185380), (2418, 165370), (2852, 140205), (2876, 139035), (2990, 133734), (3565, 112164), (3588, 111445), (3595, 111228), (4030, 99222), (4278, 93470), (4314, 92690), (4485, 89156), (4836, 82685), (5980, 66867), (6045, 66148), (7130, 56082), (7190, 55614), (8060, 49611), (8556, 46735), (8628, 46345), (8970, 44578), (9269, 43140), (9347, 42780), (10695, 37388), (10785, 37076), (12090, 33074), (14260, 28041), (14380, 27807), (16537, 24180), (17940, 22289), (18538, 21570), (18694, 21390)]