1373040980

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1\times {\mathrm{911}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 2909571840

約数和(自身を除く): 1536530860

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 421, 716, 842, 895, 911, 1684, 1790, 1822, 2105, 3580, 3644, 4210, 4555, 8420, 9110, 18220, 75359, 150718, 163069, 301436, 326138, 376795, 383531, 652276, 753590, 767062, 815345, 1507180, 1534124, 1630690, 1917655, 3261380, 3835310, 7670620, 68652049, 137304098, 274608196, 343260245, 686520490, 1373040980]

約数ペア:

[(1, 1373040980), (2, 686520490), (4, 343260245), (5, 274608196), (10, 137304098), (20, 68652049), (179, 7670620), (358, 3835310), (421, 3261380), (716, 1917655), (842, 1630690), (895, 1534124), (911, 1507180), (1684, 815345), (1790, 767062), (1822, 753590), (2105, 652276), (3580, 383531), (3644, 376795), (4210, 326138), (4555, 301436), (8420, 163069), (9110, 150718), (18220, 75359)]