1321450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 2812320

約数和(自身を除く): 1490870

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 107, 130, 190, 214, 247, 325, 475, 494, 535, 650, 950, 1070, 1235, 1391, 2033, 2470, 2675, 2782, 4066, 5350, 6175, 6955, 10165, 12350, 13910, 20330, 26429, 34775, 50825, 52858, 69550, 101650, 132145, 264290, 660725, 1321450]

約数ペア:

[(1, 1321450), (2, 660725), (5, 264290), (10, 132145), (13, 101650), (19, 69550), (25, 52858), (26, 50825), (38, 34775), (50, 26429), (65, 20330), (95, 13910), (107, 12350), (130, 10165), (190, 6955), (214, 6175), (247, 5350), (325, 4066), (475, 2782), (494, 2675), (535, 2470), (650, 2033), (950, 1391), (1070, 1235)]