1999553660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{130349}}^1$

素因数の和:130430

約数の個数: 48

約数和(自身を含む): 4598748000

約数和(自身を除く): 2599194340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 7670, 15340, 130349, 260698, 521396, 651745, 1303490, 1694537, 2606980, 3389074, 6778148, 7690591, 8472685, 15381182, 16945370, 30762364, 33890740, 38452955, 76905910, 99977683, 153811820, 199955366, 399910732, 499888415, 999776830, 1999553660]

約数ペア:

[(1, 1999553660), (2, 999776830), (4, 499888415), (5, 399910732), (10, 199955366), (13, 153811820), (20, 99977683), (26, 76905910), (52, 38452955), (59, 33890740), (65, 30762364), (118, 16945370), (130, 15381182), (236, 8472685), (260, 7690591), (295, 6778148), (590, 3389074), (767, 2606980), (1180, 1694537), (1534, 1303490), (3068, 651745), (3835, 521396), (7670, 260698), (15340, 130349)]