807869740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{51853}}^1$

素因数の和:51922

約数の個数: 48

約数和(自身を含む): 1829409120

約数和(自身を除く): 1021539380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 51853, 103706, 207412, 259265, 518530, 985207, 1037060, 1970414, 2125973, 3940828, 4251946, 4926035, 8503892, 9852070, 10629865, 19704140, 21259730, 40393487, 42519460, 80786974, 161573948, 201967435, 403934870, 807869740]

約数ペア:

[(1, 807869740), (2, 403934870), (4, 201967435), (5, 161573948), (10, 80786974), (19, 42519460), (20, 40393487), (38, 21259730), (41, 19704140), (76, 10629865), (82, 9852070), (95, 8503892), (164, 4926035), (190, 4251946), (205, 3940828), (380, 2125973), (410, 1970414), (779, 1037060), (820, 985207), (1558, 518530), (3116, 259265), (3895, 207412), (7790, 103706), (15580, 51853)]