413660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 48

約数和(自身を含む): 983136

約数和(自身を除く): 569476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 43, 52, 65, 74, 86, 130, 148, 172, 185, 215, 260, 370, 430, 481, 559, 740, 860, 962, 1118, 1591, 1924, 2236, 2405, 2795, 3182, 4810, 5590, 6364, 7955, 9620, 11180, 15910, 20683, 31820, 41366, 82732, 103415, 206830, 413660]

約数ペア:

[(1, 413660), (2, 206830), (4, 103415), (5, 82732), (10, 41366), (13, 31820), (20, 20683), (26, 15910), (37, 11180), (43, 9620), (52, 7955), (65, 6364), (74, 5590), (86, 4810), (130, 3182), (148, 2795), (172, 2405), (185, 2236), (215, 1924), (260, 1591), (370, 1118), (430, 962), (481, 860), (559, 740)]