138822040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6983}}^1$

素因数の和:7072

約数の個数: 64

約数和(自身を含む): 362050560

約数和(自身を除く): 223228520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 6983, 9940, 13966, 19880, 27932, 34915, 48881, 55864, 69830, 97762, 139660, 195524, 244405, 279320, 391048, 488810, 495793, 977620, 991586, 1955240, 1983172, 2478965, 3470551, 3966344, 4957930, 6941102, 9915860, 13882204, 17352755, 19831720, 27764408, 34705510, 69411020, 138822040]

約数ペア:

[(1, 138822040), (2, 69411020), (4, 34705510), (5, 27764408), (7, 19831720), (8, 17352755), (10, 13882204), (14, 9915860), (20, 6941102), (28, 4957930), (35, 3966344), (40, 3470551), (56, 2478965), (70, 1983172), (71, 1955240), (140, 991586), (142, 977620), (280, 495793), (284, 488810), (355, 391048), (497, 279320), (568, 244405), (710, 195524), (994, 139660), (1420, 97762), (1988, 69830), (2485, 55864), (2840, 48881), (3976, 34915), (4970, 27932), (6983, 19880), (9940, 13966)]