631190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 1327104

約数和(自身を除く): 695914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 127, 142, 254, 355, 497, 635, 710, 889, 994, 1270, 1778, 2485, 4445, 4970, 8890, 9017, 18034, 45085, 63119, 90170, 126238, 315595, 631190]

約数ペア:

[(1, 631190), (2, 315595), (5, 126238), (7, 90170), (10, 63119), (14, 45085), (35, 18034), (70, 9017), (71, 8890), (127, 4970), (142, 4445), (254, 2485), (355, 1778), (497, 1270), (635, 994), (710, 889)]