201356780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4111}}^1$

素因数の和:4230

約数の個数: 48

約数和(自身を含む): 442122240

約数和(自身を除く): 240765460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4111, 4898, 8222, 9796, 12245, 16444, 20555, 24490, 41110, 48980, 82220, 127441, 254882, 324769, 509764, 637205, 649538, 1274410, 1299076, 1623845, 2548820, 3247690, 6495380, 10067839, 20135678, 40271356, 50339195, 100678390, 201356780]

約数ペア:

[(1, 201356780), (2, 100678390), (4, 50339195), (5, 40271356), (10, 20135678), (20, 10067839), (31, 6495380), (62, 3247690), (79, 2548820), (124, 1623845), (155, 1299076), (158, 1274410), (310, 649538), (316, 637205), (395, 509764), (620, 324769), (790, 254882), (1580, 127441), (2449, 82220), (4111, 48980), (4898, 41110), (8222, 24490), (9796, 20555), (12245, 16444)]