1254236440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1\times {\mathrm{1753}}^1$

素因数の和:2372

約数の個数: 64

約数和(自身を含む): 2919778560

約数和(自身を除く): 1665542120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 577, 620, 1154, 1240, 1753, 2308, 2885, 3506, 4616, 5770, 7012, 8765, 11540, 14024, 17530, 17887, 23080, 35060, 35774, 54343, 70120, 71548, 89435, 108686, 143096, 178870, 217372, 271715, 357740, 434744, 543430, 715480, 1011481, 1086860, 2022962, 2173720, 4045924, 5057405, 8091848, 10114810, 20229620, 31355911, 40459240, 62711822, 125423644, 156779555, 250847288, 313559110, 627118220, 1254236440]

約数ペア:

[(1, 1254236440), (2, 627118220), (4, 313559110), (5, 250847288), (8, 156779555), (10, 125423644), (20, 62711822), (31, 40459240), (40, 31355911), (62, 20229620), (124, 10114810), (155, 8091848), (248, 5057405), (310, 4045924), (577, 2173720), (620, 2022962), (1154, 1086860), (1240, 1011481), (1753, 715480), (2308, 543430), (2885, 434744), (3506, 357740), (4616, 271715), (5770, 217372), (7012, 178870), (8765, 143096), (11540, 108686), (14024, 89435), (17530, 71548), (17887, 70120), (23080, 54343), (35060, 35774)]