199976440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{17299}}^1$

素因数の和:17344

約数の個数: 48

約数和(自身を含む): 477999000

約数和(自身を除く): 278022560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 17299, 34598, 69196, 86495, 138392, 172990, 294083, 345980, 588166, 691960, 1176332, 1470415, 2352664, 2940830, 4999411, 5881660, 9998822, 11763320, 19997644, 24997055, 39995288, 49994110, 99988220, 199976440]

約数ペア:

[(1, 199976440), (2, 99988220), (4, 49994110), (5, 39995288), (8, 24997055), (10, 19997644), (17, 11763320), (20, 9998822), (34, 5881660), (40, 4999411), (68, 2940830), (85, 2352664), (136, 1470415), (170, 1176332), (289, 691960), (340, 588166), (578, 345980), (680, 294083), (1156, 172990), (1445, 138392), (2312, 86495), (2890, 69196), (5780, 34598), (11560, 17299)]