69985420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 149960160

約数和(自身を除く): 79974740

約数列:

[1, 2, 4, 5, 10, 20, 113, 173, 179, 226, 346, 358, 452, 565, 692, 716, 865, 895, 1130, 1730, 1790, 2260, 3460, 3580, 19549, 20227, 30967, 39098, 40454, 61934, 78196, 80908, 97745, 101135, 123868, 154835, 195490, 202270, 309670, 390980, 404540, 619340, 3499271, 6998542, 13997084, 17496355, 34992710, 69985420]

約数ペア:

[(1, 69985420), (2, 34992710), (4, 17496355), (5, 13997084), (10, 6998542), (20, 3499271), (113, 619340), (173, 404540), (179, 390980), (226, 309670), (346, 202270), (358, 195490), (452, 154835), (565, 123868), (692, 101135), (716, 97745), (865, 80908), (895, 78196), (1130, 61934), (1730, 40454), (1790, 39098), (2260, 30967), (3460, 20227), (3580, 19549)]