200984780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1811}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 438359040

約数和(自身を除く): 237374260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 179, 310, 358, 620, 716, 895, 1790, 1811, 3580, 3622, 5549, 7244, 9055, 11098, 18110, 22196, 27745, 36220, 55490, 56141, 110980, 112282, 224564, 280705, 324169, 561410, 648338, 1122820, 1296676, 1620845, 3241690, 6483380, 10049239, 20098478, 40196956, 50246195, 100492390, 200984780]

約数ペア:

[(1, 200984780), (2, 100492390), (4, 50246195), (5, 40196956), (10, 20098478), (20, 10049239), (31, 6483380), (62, 3241690), (124, 1620845), (155, 1296676), (179, 1122820), (310, 648338), (358, 561410), (620, 324169), (716, 280705), (895, 224564), (1790, 112282), (1811, 110980), (3580, 56141), (3622, 55490), (5549, 36220), (7244, 27745), (9055, 22196), (11098, 18110)]