149521540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{563}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 367258752

約数和(自身を除く): 217737212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 271, 490, 542, 563, 980, 1084, 1126, 1355, 1897, 2252, 2710, 2815, 3794, 3941, 5420, 5630, 7588, 7882, 9485, 11260, 13279, 15764, 18970, 19705, 26558, 27587, 37940, 39410, 53116, 55174, 66395, 78820, 110348, 132790, 137935, 152573, 265580, 275870, 305146, 551740, 610292, 762865, 1068011, 1525730, 2136022, 3051460, 4272044, 5340055, 7476077, 10680110, 14952154, 21360220, 29904308, 37380385, 74760770, 149521540]

約数ペア:

[(1, 149521540), (2, 74760770), (4, 37380385), (5, 29904308), (7, 21360220), (10, 14952154), (14, 10680110), (20, 7476077), (28, 5340055), (35, 4272044), (49, 3051460), (70, 2136022), (98, 1525730), (140, 1068011), (196, 762865), (245, 610292), (271, 551740), (490, 305146), (542, 275870), (563, 265580), (980, 152573), (1084, 137935), (1126, 132790), (1355, 110348), (1897, 78820), (2252, 66395), (2710, 55174), (2815, 53116), (3794, 39410), (3941, 37940), (5420, 27587), (5630, 26558), (7588, 19705), (7882, 18970), (9485, 15764), (11260, 13279)]