71777740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1973}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 161173152

約数和(自身を除く): 89395412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 1070, 1819, 1973, 2140, 3638, 3946, 7276, 7892, 9095, 9865, 18190, 19730, 33541, 36380, 39460, 67082, 134164, 167705, 211111, 335410, 422222, 670820, 844444, 1055555, 2111110, 3588887, 4222220, 7177774, 14355548, 17944435, 35888870, 71777740]

約数ペア:

[(1, 71777740), (2, 35888870), (4, 17944435), (5, 14355548), (10, 7177774), (17, 4222220), (20, 3588887), (34, 2111110), (68, 1055555), (85, 844444), (107, 670820), (170, 422222), (214, 335410), (340, 211111), (428, 167705), (535, 134164), (1070, 67082), (1819, 39460), (1973, 36380), (2140, 33541), (3638, 19730), (3946, 18190), (7276, 9865), (7892, 9095)]