720980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 1693440

約数和(自身を除く): 972460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 59, 65, 94, 118, 130, 188, 235, 236, 260, 295, 470, 590, 611, 767, 940, 1180, 1222, 1534, 2444, 2773, 3055, 3068, 3835, 5546, 6110, 7670, 11092, 12220, 13865, 15340, 27730, 36049, 55460, 72098, 144196, 180245, 360490, 720980]

約数ペア:

[(1, 720980), (2, 360490), (4, 180245), (5, 144196), (10, 72098), (13, 55460), (20, 36049), (26, 27730), (47, 15340), (52, 13865), (59, 12220), (65, 11092), (94, 7670), (118, 6110), (130, 5546), (188, 3835), (235, 3068), (236, 3055), (260, 2773), (295, 2444), (470, 1534), (590, 1222), (611, 1180), (767, 940)]