207313640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2797}}^1$

素因数の和:2934

約数の個数: 64

約数和(自身を含む): 498603600

約数和(自身を除く): 291289960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 680, 872, 1090, 1853, 2180, 2797, 3706, 4360, 5594, 7412, 9265, 11188, 13985, 14824, 18530, 22376, 27970, 37060, 47549, 55940, 74120, 95098, 111880, 190196, 237745, 304873, 380392, 475490, 609746, 950980, 1219492, 1524365, 1901960, 2438984, 3048730, 5182841, 6097460, 10365682, 12194920, 20731364, 25914205, 41462728, 51828410, 103656820, 207313640]

約数ペア:

[(1, 207313640), (2, 103656820), (4, 51828410), (5, 41462728), (8, 25914205), (10, 20731364), (17, 12194920), (20, 10365682), (34, 6097460), (40, 5182841), (68, 3048730), (85, 2438984), (109, 1901960), (136, 1524365), (170, 1219492), (218, 950980), (340, 609746), (436, 475490), (545, 380392), (680, 304873), (872, 237745), (1090, 190196), (1853, 111880), (2180, 95098), (2797, 74120), (3706, 55940), (4360, 47549), (5594, 37060), (7412, 27970), (9265, 22376), (11188, 18530), (13985, 14824)]