138221200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1449

約数の個数: 120

約数和(自身を含む): 376712000

約数和(自身を除く): 238490800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 190, 200, 208, 247, 260, 304, 325, 380, 400, 475, 494, 520, 650, 760, 950, 988, 1040, 1235, 1300, 1399, 1520, 1900, 1976, 2470, 2600, 2798, 3800, 3952, 4940, 5200, 5596, 6175, 6995, 7600, 9880, 11192, 12350, 13990, 18187, 19760, 22384, 24700, 26581, 27980, 34975, 36374, 49400, 53162, 55960, 69950, 72748, 90935, 98800, 106324, 111920, 132905, 139900, 145496, 181870, 212648, 265810, 279800, 290992, 345553, 363740, 425296, 454675, 531620, 559600, 664525, 691106, 727480, 909350, 1063240, 1329050, 1382212, 1454960, 1727765, 1818700, 2126480, 2658100, 2764424, 3455530, 3637400, 5316200, 5528848, 6911060, 7274800, 8638825, 10632400, 13822120, 17277650, 27644240, 34555300, 69110600, 138221200]

約数ペア:

[(1, 138221200), (2, 69110600), (4, 34555300), (5, 27644240), (8, 17277650), (10, 13822120), (13, 10632400), (16, 8638825), (19, 7274800), (20, 6911060), (25, 5528848), (26, 5316200), (38, 3637400), (40, 3455530), (50, 2764424), (52, 2658100), (65, 2126480), (76, 1818700), (80, 1727765), (95, 1454960), (100, 1382212), (104, 1329050), (130, 1063240), (152, 909350), (190, 727480), (200, 691106), (208, 664525), (247, 559600), (260, 531620), (304, 454675), (325, 425296), (380, 363740), (400, 345553), (475, 290992), (494, 279800), (520, 265810), (650, 212648), (760, 181870), (950, 145496), (988, 139900), (1040, 132905), (1235, 111920), (1300, 106324), (1399, 98800), (1520, 90935), (1900, 72748), (1976, 69950), (2470, 55960), (2600, 53162), (2798, 49400), (3800, 36374), (3952, 34975), (4940, 27980), (5200, 26581), (5596, 24700), (6175, 22384), (6995, 19760), (7600, 18187), (9880, 13990), (11192, 12350)]