72974710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2179}}^1$

素因数の和:2400

約数の個数: 32

約数和(自身を含む): 139851360

約数和(自身を除く): 66876650

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 197, 394, 985, 1970, 2179, 3349, 4358, 6698, 10895, 16745, 21790, 33490, 37043, 74086, 185215, 370430, 429263, 858526, 2146315, 4292630, 7297471, 14594942, 36487355, 72974710]

約数ペア:

[(1, 72974710), (2, 36487355), (5, 14594942), (10, 7297471), (17, 4292630), (34, 2146315), (85, 858526), (170, 429263), (197, 370430), (394, 185215), (985, 74086), (1970, 37043), (2179, 33490), (3349, 21790), (4358, 16745), (6698, 10895)]