1998992040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{574423}}^1$

素因数の和:574466

約数の個数: 64

約数和(自身を含む): 6203779200

約数和(自身を除く): 4204787160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 574423, 1148846, 1723269, 2297692, 2872115, 3446538, 4595384, 5744230, 6893076, 8616345, 11488460, 13786152, 16658267, 17232690, 22976920, 33316534, 34465380, 49974801, 66633068, 68930760, 83291335, 99949602, 133266136, 166582670, 199899204, 249874005, 333165340, 399798408, 499748010, 666330680, 999496020, 1998992040]

約数ペア:

[(1, 1998992040), (2, 999496020), (3, 666330680), (4, 499748010), (5, 399798408), (6, 333165340), (8, 249874005), (10, 199899204), (12, 166582670), (15, 133266136), (20, 99949602), (24, 83291335), (29, 68930760), (30, 66633068), (40, 49974801), (58, 34465380), (60, 33316534), (87, 22976920), (116, 17232690), (120, 16658267), (145, 13786152), (174, 11488460), (232, 8616345), (290, 6893076), (348, 5744230), (435, 4595384), (580, 3446538), (696, 2872115), (870, 2297692), (1160, 1723269), (1740, 1148846), (3480, 574423)]