1250107600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{63781}}^1$

素因数の和:63813

約数の個数: 90

約数和(自身を含む): 3493786614

約数和(自身を除く): 2243679014

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 19600, 63781, 127562, 255124, 318905, 446467, 510248, 637810, 892934, 1020496, 1275620, 1594525, 1785868, 2232335, 2551240, 3125269, 3189050, 3571736, 4464670, 5102480, 6250538, 6378100, 7143472, 8929340, 11161675, 12501076, 12756200, 15626345, 17858680, 22323350, 25002152, 25512400, 31252690, 35717360, 44646700, 50004304, 62505380, 78131725, 89293400, 125010760, 156263450, 178586800, 250021520, 312526900, 625053800, 1250107600]

約数ペア:

[(1, 1250107600), (2, 625053800), (4, 312526900), (5, 250021520), (7, 178586800), (8, 156263450), (10, 125010760), (14, 89293400), (16, 78131725), (20, 62505380), (25, 50004304), (28, 44646700), (35, 35717360), (40, 31252690), (49, 25512400), (50, 25002152), (56, 22323350), (70, 17858680), (80, 15626345), (98, 12756200), (100, 12501076), (112, 11161675), (140, 8929340), (175, 7143472), (196, 6378100), (200, 6250538), (245, 5102480), (280, 4464670), (350, 3571736), (392, 3189050), (400, 3125269), (490, 2551240), (560, 2232335), (700, 1785868), (784, 1594525), (980, 1275620), (1225, 1020496), (1400, 892934), (1960, 637810), (2450, 510248), (2800, 446467), (3920, 318905), (4900, 255124), (9800, 127562), (19600, 63781)]