2493987200

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^2\times {\mathrm{811}}^1$

素因数の和:897

約数の個数: 144

約数和(自身を含む): 6373927980

約数和(自身を除く): 3879940780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 310, 320, 400, 496, 620, 640, 775, 800, 811, 961, 992, 1240, 1550, 1600, 1622, 1922, 1984, 2480, 3100, 3200, 3244, 3844, 3968, 4055, 4805, 4960, 6200, 6488, 7688, 8110, 9610, 9920, 12400, 12976, 15376, 16220, 19220, 19840, 20275, 24025, 24800, 25141, 25952, 30752, 32440, 38440, 40550, 48050, 49600, 50282, 51904, 61504, 64880, 76880, 81100, 96100, 99200, 100564, 103808, 123008, 125705, 129760, 153760, 162200, 192200, 201128, 251410, 259520, 307520, 324400, 384400, 402256, 502820, 519040, 615040, 628525, 648800, 768800, 779371, 804512, 1005640, 1257050, 1297600, 1537600, 1558742, 1609024, 2011280, 2514100, 2595200, 3075200, 3117484, 3218048, 3896855, 4022560, 5028200, 6234968, 7793710, 8045120, 10056400, 12469936, 15587420, 16090240, 19484275, 20112800, 24939872, 31174840, 38968550, 40225600, 49879744, 62349680, 77937100, 80451200, 99759488, 124699360, 155874200, 249398720, 311748400, 498797440, 623496800, 1246993600, 2493987200]

約数ペア:

[(1, 2493987200), (2, 1246993600), (4, 623496800), (5, 498797440), (8, 311748400), (10, 249398720), (16, 155874200), (20, 124699360), (25, 99759488), (31, 80451200), (32, 77937100), (40, 62349680), (50, 49879744), (62, 40225600), (64, 38968550), (80, 31174840), (100, 24939872), (124, 20112800), (128, 19484275), (155, 16090240), (160, 15587420), (200, 12469936), (248, 10056400), (310, 8045120), (320, 7793710), (400, 6234968), (496, 5028200), (620, 4022560), (640, 3896855), (775, 3218048), (800, 3117484), (811, 3075200), (961, 2595200), (992, 2514100), (1240, 2011280), (1550, 1609024), (1600, 1558742), (1622, 1537600), (1922, 1297600), (1984, 1257050), (2480, 1005640), (3100, 804512), (3200, 779371), (3244, 768800), (3844, 648800), (3968, 628525), (4055, 615040), (4805, 519040), (4960, 502820), (6200, 402256), (6488, 384400), (7688, 324400), (8110, 307520), (9610, 259520), (9920, 251410), (12400, 201128), (12976, 192200), (15376, 162200), (16220, 153760), (19220, 129760), (19840, 125705), (20275, 123008), (24025, 103808), (24800, 100564), (25141, 99200), (25952, 96100), (30752, 81100), (32440, 76880), (38440, 64880), (40550, 61504), (48050, 51904), (49600, 50282)]