128425850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2801}}^1$

素因数の和:2951

約数の個数: 48

約数和(自身を含む): 275178816

約数和(自身を除く): 146752966

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 131, 175, 262, 350, 655, 917, 1310, 1834, 2801, 3275, 4585, 5602, 6550, 9170, 14005, 19607, 22925, 28010, 39214, 45850, 70025, 98035, 140050, 196070, 366931, 490175, 733862, 980350, 1834655, 2568517, 3669310, 5137034, 9173275, 12842585, 18346550, 25685170, 64212925, 128425850]

約数ペア:

[(1, 128425850), (2, 64212925), (5, 25685170), (7, 18346550), (10, 12842585), (14, 9173275), (25, 5137034), (35, 3669310), (50, 2568517), (70, 1834655), (131, 980350), (175, 733862), (262, 490175), (350, 366931), (655, 196070), (917, 140050), (1310, 98035), (1834, 70025), (2801, 45850), (3275, 39214), (4585, 28010), (5602, 22925), (6550, 19607), (9170, 14005)]