397401366920

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{569}}^1\times {\mathrm{90469}}^1$

素因数の和:91242

約数の個数: 64

約数和(自身を含む): 900375534000

約数和(自身を除く): 502974167080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 569, 772, 965, 1138, 1544, 1930, 2276, 2845, 3860, 4552, 5690, 7720, 11380, 22760, 90469, 109817, 180938, 219634, 361876, 439268, 452345, 549085, 723752, 878536, 904690, 1098170, 1809380, 2196340, 3618760, 4392680, 17460517, 34921034, 51476861, 69842068, 87302585, 102953722, 139684136, 174605170, 205907444, 257384305, 349210340, 411814888, 514768610, 698420680, 1029537220, 2059074440, 9935034173, 19870068346, 39740136692, 49675170865, 79480273384, 99350341730, 198700683460, 397401366920]

約数ペア:

[(1, 397401366920), (2, 198700683460), (4, 99350341730), (5, 79480273384), (8, 49675170865), (10, 39740136692), (20, 19870068346), (40, 9935034173), (193, 2059074440), (386, 1029537220), (569, 698420680), (772, 514768610), (965, 411814888), (1138, 349210340), (1544, 257384305), (1930, 205907444), (2276, 174605170), (2845, 139684136), (3860, 102953722), (4552, 87302585), (5690, 69842068), (7720, 51476861), (11380, 34921034), (22760, 17460517), (90469, 4392680), (109817, 3618760), (180938, 2196340), (219634, 1809380), (361876, 1098170), (439268, 904690), (452345, 878536), (549085, 723752)]