400702920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2207}}^1$

素因数の和:2327

約数の個数: 128

約数和(自身を含む): 1287705600

約数和(自身を除く): 887002680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 89, 102, 120, 136, 170, 178, 204, 255, 267, 340, 356, 408, 445, 510, 534, 680, 712, 890, 1020, 1068, 1335, 1513, 1780, 2040, 2136, 2207, 2670, 3026, 3560, 4414, 4539, 5340, 6052, 6621, 7565, 8828, 9078, 10680, 11035, 12104, 13242, 15130, 17656, 18156, 22070, 22695, 26484, 30260, 33105, 36312, 37519, 44140, 45390, 52968, 60520, 66210, 75038, 88280, 90780, 112557, 132420, 150076, 181560, 187595, 196423, 225114, 264840, 300152, 375190, 392846, 450228, 562785, 589269, 750380, 785692, 900456, 982115, 1125570, 1178538, 1500760, 1571384, 1964230, 2251140, 2357076, 2946345, 3339191, 3928460, 4502280, 4714152, 5892690, 6678382, 7856920, 10017573, 11785380, 13356764, 16695955, 20035146, 23570760, 26713528, 33391910, 40070292, 50087865, 66783820, 80140584, 100175730, 133567640, 200351460, 400702920]

約数ペア:

[(1, 400702920), (2, 200351460), (3, 133567640), (4, 100175730), (5, 80140584), (6, 66783820), (8, 50087865), (10, 40070292), (12, 33391910), (15, 26713528), (17, 23570760), (20, 20035146), (24, 16695955), (30, 13356764), (34, 11785380), (40, 10017573), (51, 7856920), (60, 6678382), (68, 5892690), (85, 4714152), (89, 4502280), (102, 3928460), (120, 3339191), (136, 2946345), (170, 2357076), (178, 2251140), (204, 1964230), (255, 1571384), (267, 1500760), (340, 1178538), (356, 1125570), (408, 982115), (445, 900456), (510, 785692), (534, 750380), (680, 589269), (712, 562785), (890, 450228), (1020, 392846), (1068, 375190), (1335, 300152), (1513, 264840), (1780, 225114), (2040, 196423), (2136, 187595), (2207, 181560), (2670, 150076), (3026, 132420), (3560, 112557), (4414, 90780), (4539, 88280), (5340, 75038), (6052, 66210), (6621, 60520), (7565, 52968), (8828, 45390), (9078, 44140), (10680, 37519), (11035, 36312), (12104, 33105), (13242, 30260), (15130, 26484), (17656, 22695), (18156, 22070)]