200769020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4099}}^1$

素因数の和:4218

約数の個数: 48

約数和(自身を含む): 440832000

約数和(自身を除く): 240062980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4099, 4898, 8198, 9796, 12245, 16396, 20495, 24490, 40990, 48980, 81980, 127069, 254138, 323821, 508276, 635345, 647642, 1270690, 1295284, 1619105, 2541380, 3238210, 6476420, 10038451, 20076902, 40153804, 50192255, 100384510, 200769020]

約数ペア:

[(1, 200769020), (2, 100384510), (4, 50192255), (5, 40153804), (10, 20076902), (20, 10038451), (31, 6476420), (62, 3238210), (79, 2541380), (124, 1619105), (155, 1295284), (158, 1270690), (310, 647642), (316, 635345), (395, 508276), (620, 323821), (790, 254138), (1580, 127069), (2449, 81980), (4099, 48980), (4898, 40990), (8198, 24490), (9796, 20495), (12245, 16396)]