90995800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{64997}}^1$

素因数の和:65020

約数の個数: 48

約数和(自身を含む): 241792560

約数和(自身を除く): 150796760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 64997, 129994, 259988, 324985, 454979, 519976, 649970, 909958, 1299940, 1624925, 1819916, 2274895, 2599880, 3249850, 3639832, 4549790, 6499700, 9099580, 11374475, 12999400, 18199160, 22748950, 45497900, 90995800]

約数ペア:

[(1, 90995800), (2, 45497900), (4, 22748950), (5, 18199160), (7, 12999400), (8, 11374475), (10, 9099580), (14, 6499700), (20, 4549790), (25, 3639832), (28, 3249850), (35, 2599880), (40, 2274895), (50, 1819916), (56, 1624925), (70, 1299940), (100, 909958), (140, 649970), (175, 519976), (200, 454979), (280, 324985), (350, 259988), (700, 129994), (1400, 64997)]