70674980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 154103040

約数和(自身を除く): 83428060

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1091, 1580, 2182, 3239, 4364, 5455, 6478, 10910, 12956, 16195, 21820, 32390, 44731, 64780, 86189, 89462, 172378, 178924, 223655, 344756, 430945, 447310, 861890, 894620, 1723780, 3533749, 7067498, 14134996, 17668745, 35337490, 70674980]

約数ペア:

[(1, 70674980), (2, 35337490), (4, 17668745), (5, 14134996), (10, 7067498), (20, 3533749), (41, 1723780), (79, 894620), (82, 861890), (158, 447310), (164, 430945), (205, 344756), (316, 223655), (395, 178924), (410, 172378), (790, 89462), (820, 86189), (1091, 64780), (1580, 44731), (2182, 32390), (3239, 21820), (4364, 16195), (5455, 12956), (6478, 10910)]