1394470520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1\times {\mathrm{1949}}^1$

素因数の和:2568

約数の個数: 64

約数和(自身を含む): 3246048000

約数和(自身を除く): 1851577480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 577, 620, 1154, 1240, 1949, 2308, 2885, 3898, 4616, 5770, 7796, 9745, 11540, 15592, 17887, 19490, 23080, 35774, 38980, 60419, 71548, 77960, 89435, 120838, 143096, 178870, 241676, 302095, 357740, 483352, 604190, 715480, 1124573, 1208380, 2249146, 2416760, 4498292, 5622865, 8996584, 11245730, 22491460, 34861763, 44982920, 69723526, 139447052, 174308815, 278894104, 348617630, 697235260, 1394470520]

約数ペア:

[(1, 1394470520), (2, 697235260), (4, 348617630), (5, 278894104), (8, 174308815), (10, 139447052), (20, 69723526), (31, 44982920), (40, 34861763), (62, 22491460), (124, 11245730), (155, 8996584), (248, 5622865), (310, 4498292), (577, 2416760), (620, 2249146), (1154, 1208380), (1240, 1124573), (1949, 715480), (2308, 604190), (2885, 483352), (3898, 357740), (4616, 302095), (5770, 241676), (7796, 178870), (9745, 143096), (11540, 120838), (15592, 89435), (17887, 77960), (19490, 71548), (23080, 60419), (35774, 38980)]