407204620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{3163}}^1$

素因数の和:3370

約数の個数: 48

約数和(自身を含む): 881844768

約数和(自身を除く): 474640148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 785, 820, 1570, 3140, 3163, 6326, 6437, 12652, 12874, 15815, 25748, 31630, 32185, 63260, 64370, 128740, 129683, 259366, 496591, 518732, 648415, 993182, 1296830, 1986364, 2482955, 2593660, 4965910, 9931820, 20360231, 40720462, 81440924, 101801155, 203602310, 407204620]

約数ペア:

[(1, 407204620), (2, 203602310), (4, 101801155), (5, 81440924), (10, 40720462), (20, 20360231), (41, 9931820), (82, 4965910), (157, 2593660), (164, 2482955), (205, 1986364), (314, 1296830), (410, 993182), (628, 648415), (785, 518732), (820, 496591), (1570, 259366), (3140, 129683), (3163, 128740), (6326, 64370), (6437, 63260), (12652, 32185), (12874, 31630), (15815, 25748)]