204577970

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1\times {\mathrm{461}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 372556800

約数和(自身を除く): 167978830

約数列:

[1, 2, 5, 10, 199, 223, 398, 446, 461, 922, 995, 1115, 1990, 2230, 2305, 4610, 44377, 88754, 91739, 102803, 183478, 205606, 221885, 443770, 458695, 514015, 917390, 1028030, 20457797, 40915594, 102288985, 204577970]

約数ペア:

[(1, 204577970), (2, 102288985), (5, 40915594), (10, 20457797), (199, 1028030), (223, 917390), (398, 514015), (446, 458695), (461, 443770), (922, 221885), (995, 205606), (1115, 183478), (1990, 102803), (2230, 91739), (2305, 88754), (4610, 44377)]