71011780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{72461}}^1$

素因数の和:72484

約数の個数: 36

約数和(自身を含む): 173474028

約数和(自身を除く): 102462248

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 72461, 144922, 289844, 362305, 507227, 724610, 1014454, 1449220, 2028908, 2536135, 3550589, 5072270, 7101178, 10144540, 14202356, 17752945, 35505890, 71011780]

約数ペア:

[(1, 71011780), (2, 35505890), (4, 17752945), (5, 14202356), (7, 10144540), (10, 7101178), (14, 5072270), (20, 3550589), (28, 2536135), (35, 2028908), (49, 1449220), (70, 1014454), (98, 724610), (140, 507227), (196, 362305), (245, 289844), (490, 144922), (980, 72461)]