69991600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{3571}}^1$

素因数の和:3603

約数の個数: 90

約数和(自身を含む): 195663444

約数和(自身を除く): 125671844

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, 3571, 3920, 4900, 7142, 9800, 14284, 17855, 19600, 24997, 28568, 35710, 49994, 57136, 71420, 89275, 99988, 124985, 142840, 174979, 178550, 199976, 249970, 285680, 349958, 357100, 399952, 499940, 624925, 699916, 714200, 874895, 999880, 1249850, 1399832, 1428400, 1749790, 1999760, 2499700, 2799664, 3499580, 4374475, 4999400, 6999160, 8748950, 9998800, 13998320, 17497900, 34995800, 69991600]

約数ペア:

[(1, 69991600), (2, 34995800), (4, 17497900), (5, 13998320), (7, 9998800), (8, 8748950), (10, 6999160), (14, 4999400), (16, 4374475), (20, 3499580), (25, 2799664), (28, 2499700), (35, 1999760), (40, 1749790), (49, 1428400), (50, 1399832), (56, 1249850), (70, 999880), (80, 874895), (98, 714200), (100, 699916), (112, 624925), (140, 499940), (175, 399952), (196, 357100), (200, 349958), (245, 285680), (280, 249970), (350, 199976), (392, 178550), (400, 174979), (490, 142840), (560, 124985), (700, 99988), (784, 89275), (980, 71420), (1225, 57136), (1400, 49994), (1960, 35710), (2450, 28568), (2800, 24997), (3571, 19600), (3920, 17855), (4900, 14284), (7142, 9800)]