316820

素因数分解:

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

素因数の和:120

約数の個数: 48

約数和(自身を含む): 795648

約数和(自身を除く): 478828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 73, 124, 140, 146, 155, 217, 292, 310, 365, 434, 511, 620, 730, 868, 1022, 1085, 1460, 2044, 2170, 2263, 2555, 4340, 4526, 5110, 9052, 10220, 11315, 15841, 22630, 31682, 45260, 63364, 79205, 158410, 316820]

約数ペア:

[(1, 316820), (2, 158410), (4, 79205), (5, 63364), (7, 45260), (10, 31682), (14, 22630), (20, 15841), (28, 11315), (31, 10220), (35, 9052), (62, 5110), (70, 4526), (73, 4340), (124, 2555), (140, 2263), (146, 2170), (155, 2044), (217, 1460), (292, 1085), (310, 1022), (365, 868), (434, 730), (511, 620)]