1900236420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{44171}}^1$

素因数の和:44425

約数の個数: 72

約数和(自身を含む): 5788298880

約数和(自身を除く): 3888062460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3585, 4302, 4780, 7170, 8604, 10755, 14340, 21510, 43020, 44171, 88342, 132513, 176684, 220855, 265026, 397539, 441710, 530052, 662565, 795078, 883420, 1325130, 1590156, 1987695, 2650260, 3975390, 7950780, 10556869, 21113738, 31670607, 42227476, 52784345, 63341214, 95011821, 105568690, 126682428, 158353035, 190023642, 211137380, 316706070, 380047284, 475059105, 633412140, 950118210, 1900236420]

約数ペア:

[(1, 1900236420), (2, 950118210), (3, 633412140), (4, 475059105), (5, 380047284), (6, 316706070), (9, 211137380), (10, 190023642), (12, 158353035), (15, 126682428), (18, 105568690), (20, 95011821), (30, 63341214), (36, 52784345), (45, 42227476), (60, 31670607), (90, 21113738), (180, 10556869), (239, 7950780), (478, 3975390), (717, 2650260), (956, 1987695), (1195, 1590156), (1434, 1325130), (2151, 883420), (2390, 795078), (2868, 662565), (3585, 530052), (4302, 441710), (4780, 397539), (7170, 265026), (8604, 220855), (10755, 176684), (14340, 132513), (21510, 88342), (43020, 44171)]