149392180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{152441}}^1$

素因数の和:152464

約数の個数: 36

約数和(自身を含む): 364946148

約数和(自身を除く): 215553968

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 152441, 304882, 609764, 762205, 1067087, 1524410, 2134174, 3048820, 4268348, 5335435, 7469609, 10670870, 14939218, 21341740, 29878436, 37348045, 74696090, 149392180]

約数ペア:

[(1, 149392180), (2, 74696090), (4, 37348045), (5, 29878436), (7, 21341740), (10, 14939218), (14, 10670870), (20, 7469609), (28, 5335435), (35, 4268348), (49, 3048820), (70, 2134174), (98, 1524410), (140, 1067087), (196, 762205), (245, 609764), (490, 304882), (980, 152441)]