61211780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{8923}}^1$

素因数の和:8953

約数の個数: 48

約数和(自身を含む): 149923200

約数和(自身を除く): 88711420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 8923, 17846, 35692, 44615, 62461, 89230, 124922, 178460, 249844, 312305, 437227, 624610, 874454, 1249220, 1748908, 2186135, 3060589, 4372270, 6121178, 8744540, 12242356, 15302945, 30605890, 61211780]

約数ペア:

[(1, 61211780), (2, 30605890), (4, 15302945), (5, 12242356), (7, 8744540), (10, 6121178), (14, 4372270), (20, 3060589), (28, 2186135), (35, 1748908), (49, 1249220), (70, 874454), (98, 624610), (140, 437227), (196, 312305), (245, 249844), (343, 178460), (490, 124922), (686, 89230), (980, 62461), (1372, 44615), (1715, 35692), (3430, 17846), (6860, 8923)]