54751540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{967}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 121968000

約数和(自身を除く): 67216460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 967, 1490, 1934, 2831, 2980, 3868, 4835, 5662, 9670, 11324, 14155, 18373, 19340, 28310, 36746, 56620, 73492, 91865, 144083, 183730, 288166, 367460, 576332, 720415, 1440830, 2737577, 2881660, 5475154, 10950308, 13687885, 27375770, 54751540]

約数ペア:

[(1, 54751540), (2, 27375770), (4, 13687885), (5, 10950308), (10, 5475154), (19, 2881660), (20, 2737577), (38, 1440830), (76, 720415), (95, 576332), (149, 367460), (190, 288166), (298, 183730), (380, 144083), (596, 91865), (745, 73492), (967, 56620), (1490, 36746), (1934, 28310), (2831, 19340), (2980, 18373), (3868, 14155), (4835, 11324), (5662, 9670)]