69411020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6983}}^1$

素因数の和:7070

約数の個数: 48

約数和(自身を含む): 168956928

約数和(自身を除く): 99545908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 6983, 9940, 13966, 27932, 34915, 48881, 69830, 97762, 139660, 195524, 244405, 488810, 495793, 977620, 991586, 1983172, 2478965, 3470551, 4957930, 6941102, 9915860, 13882204, 17352755, 34705510, 69411020]

約数ペア:

[(1, 69411020), (2, 34705510), (4, 17352755), (5, 13882204), (7, 9915860), (10, 6941102), (14, 4957930), (20, 3470551), (28, 2478965), (35, 1983172), (70, 991586), (71, 977620), (140, 495793), (142, 488810), (284, 244405), (355, 195524), (497, 139660), (710, 97762), (994, 69830), (1420, 48881), (1988, 34915), (2485, 27932), (4970, 13966), (6983, 9940)]