78466360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3947}}^1$

素因数の和:4036

約数の個数: 64

約数和(自身を含む): 204664320

約数和(自身を除く): 126197960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3947, 3976, 4970, 7894, 9940, 15788, 19735, 19880, 27629, 31576, 39470, 55258, 78940, 110516, 138145, 157880, 221032, 276290, 280237, 552580, 560474, 1105160, 1120948, 1401185, 1961659, 2241896, 2802370, 3923318, 5604740, 7846636, 9808295, 11209480, 15693272, 19616590, 39233180, 78466360]

約数ペア:

[(1, 78466360), (2, 39233180), (4, 19616590), (5, 15693272), (7, 11209480), (8, 9808295), (10, 7846636), (14, 5604740), (20, 3923318), (28, 2802370), (35, 2241896), (40, 1961659), (56, 1401185), (70, 1120948), (71, 1105160), (140, 560474), (142, 552580), (280, 280237), (284, 276290), (355, 221032), (497, 157880), (568, 138145), (710, 110516), (994, 78940), (1420, 55258), (1988, 39470), (2485, 31576), (2840, 27629), (3947, 19880), (3976, 19735), (4970, 15788), (7894, 9940)]