215345540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{1187}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 464631552

約数和(自身を除く): 249286012

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 193, 235, 386, 470, 772, 940, 965, 1187, 1930, 2374, 3860, 4748, 5935, 9071, 11870, 18142, 23740, 36284, 45355, 55789, 90710, 111578, 181420, 223156, 229091, 278945, 458182, 557890, 916364, 1115780, 1145455, 2290910, 4581820, 10767277, 21534554, 43069108, 53836385, 107672770, 215345540]

約数ペア:

[(1, 215345540), (2, 107672770), (4, 53836385), (5, 43069108), (10, 21534554), (20, 10767277), (47, 4581820), (94, 2290910), (188, 1145455), (193, 1115780), (235, 916364), (386, 557890), (470, 458182), (772, 278945), (940, 229091), (965, 223156), (1187, 181420), (1930, 111578), (2374, 90710), (3860, 55789), (4748, 45355), (5935, 36284), (9071, 23740), (11870, 18142)]