1900227550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{4243}}^1$

素因数の和:4334

約数の個数: 72

約数和(自身を含む): 3900346344

約数和(自身を除く): 2000118794

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 169, 265, 325, 338, 530, 650, 689, 845, 1325, 1378, 1690, 2650, 3445, 4225, 4243, 6890, 8450, 8486, 8957, 17225, 17914, 21215, 34450, 42430, 44785, 55159, 89570, 106075, 110318, 212150, 223925, 224879, 275795, 447850, 449758, 551590, 717067, 1124395, 1378975, 1434134, 2248790, 2757950, 2923427, 3585335, 5621975, 5846854, 7170670, 11243950, 14617135, 17926675, 29234270, 35853350, 38004551, 73085675, 76009102, 146171350, 190022755, 380045510, 950113775, 1900227550]

約数ペア:

[(1, 1900227550), (2, 950113775), (5, 380045510), (10, 190022755), (13, 146171350), (25, 76009102), (26, 73085675), (50, 38004551), (53, 35853350), (65, 29234270), (106, 17926675), (130, 14617135), (169, 11243950), (265, 7170670), (325, 5846854), (338, 5621975), (530, 3585335), (650, 2923427), (689, 2757950), (845, 2248790), (1325, 1434134), (1378, 1378975), (1690, 1124395), (2650, 717067), (3445, 551590), (4225, 449758), (4243, 447850), (6890, 275795), (8450, 224879), (8486, 223925), (8957, 212150), (17225, 110318), (17914, 106075), (21215, 89570), (34450, 55159), (42430, 44785)]