53875420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 115668000

約数和(自身を除く): 61792580

約数列:

[1, 2, 4, 5, 10, 20, 101, 149, 179, 202, 298, 358, 404, 505, 596, 716, 745, 895, 1010, 1490, 1790, 2020, 2980, 3580, 15049, 18079, 26671, 30098, 36158, 53342, 60196, 72316, 75245, 90395, 106684, 133355, 150490, 180790, 266710, 300980, 361580, 533420, 2693771, 5387542, 10775084, 13468855, 26937710, 53875420]

約数ペア:

[(1, 53875420), (2, 26937710), (4, 13468855), (5, 10775084), (10, 5387542), (20, 2693771), (101, 533420), (149, 361580), (179, 300980), (202, 266710), (298, 180790), (358, 150490), (404, 133355), (505, 106684), (596, 90395), (716, 75245), (745, 72316), (895, 60196), (1010, 53342), (1490, 36158), (1790, 30098), (2020, 26671), (2980, 18079), (3580, 15049)]