480740

素因数分解:

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

素因数の和:108

約数の個数: 36

約数和(自身を含む): 1113084

約数和(自身を除く): 632344

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1849, 2236, 2795, 3698, 5590, 7396, 9245, 11180, 18490, 24037, 36980, 48074, 96148, 120185, 240370, 480740]

約数ペア:

[(1, 480740), (2, 240370), (4, 120185), (5, 96148), (10, 48074), (13, 36980), (20, 24037), (26, 18490), (43, 11180), (52, 9245), (65, 7396), (86, 5590), (130, 3698), (172, 2795), (215, 2236), (260, 1849), (430, 1118), (559, 860)]