31206770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 67516416

約数和(自身を除く): 36309646

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 73, 146, 155, 197, 217, 310, 365, 394, 434, 511, 730, 985, 1022, 1085, 1379, 1970, 2170, 2263, 2555, 2758, 4526, 5110, 6107, 6895, 11315, 12214, 13790, 14381, 15841, 22630, 28762, 30535, 31682, 42749, 61070, 71905, 79205, 85498, 100667, 143810, 158410, 201334, 213745, 427490, 445811, 503335, 891622, 1006670, 2229055, 3120677, 4458110, 6241354, 15603385, 31206770]

約数ペア:

[(1, 31206770), (2, 15603385), (5, 6241354), (7, 4458110), (10, 3120677), (14, 2229055), (31, 1006670), (35, 891622), (62, 503335), (70, 445811), (73, 427490), (146, 213745), (155, 201334), (197, 158410), (217, 143810), (310, 100667), (365, 85498), (394, 79205), (434, 71905), (511, 61070), (730, 42749), (985, 31682), (1022, 30535), (1085, 28762), (1379, 22630), (1970, 15841), (2170, 14381), (2263, 13790), (2555, 12214), (2758, 11315), (4526, 6895), (5110, 6107)]