31331020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7717}}^1$

素因数の和:7762

約数の個数: 48

約数和(自身を含む): 77797440

約数和(自身を除く): 46466420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 7717, 15434, 30868, 38585, 54019, 77170, 108038, 154340, 216076, 223793, 270095, 447586, 540190, 895172, 1080380, 1118965, 1566551, 2237930, 3133102, 4475860, 6266204, 7832755, 15665510, 31331020]

約数ペア:

[(1, 31331020), (2, 15665510), (4, 7832755), (5, 6266204), (7, 4475860), (10, 3133102), (14, 2237930), (20, 1566551), (28, 1118965), (29, 1080380), (35, 895172), (58, 540190), (70, 447586), (116, 270095), (140, 223793), (145, 216076), (203, 154340), (290, 108038), (406, 77170), (580, 54019), (812, 38585), (1015, 30868), (2030, 15434), (4060, 7717)]