149780260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{152837}}^1$

素因数の和:152860

約数の個数: 36

約数和(自身を含む): 365894172

約数和(自身を除く): 216113912

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 152837, 305674, 611348, 764185, 1069859, 1528370, 2139718, 3056740, 4279436, 5349295, 7489013, 10698590, 14978026, 21397180, 29956052, 37445065, 74890130, 149780260]

約数ペア:

[(1, 149780260), (2, 74890130), (4, 37445065), (5, 29956052), (7, 21397180), (10, 14978026), (14, 10698590), (20, 7489013), (28, 5349295), (35, 4279436), (49, 3056740), (70, 2139718), (98, 1528370), (140, 1069859), (196, 764185), (245, 611348), (490, 305674), (980, 152837)]