82408700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3987

約数の個数: 72

約数和(自身を含む): 205403520

約数和(自身を除く): 122994820

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1900, 2090, 3943, 4180, 5225, 7886, 10450, 15772, 19715, 20900, 39430, 43373, 74917, 78860, 86746, 98575, 149834, 173492, 197150, 216865, 299668, 374585, 394300, 433730, 749170, 824087, 867460, 1084325, 1498340, 1648174, 1872925, 2168650, 3296348, 3745850, 4120435, 4337300, 7491700, 8240870, 16481740, 20602175, 41204350, 82408700]

約数ペア:

[(1, 82408700), (2, 41204350), (4, 20602175), (5, 16481740), (10, 8240870), (11, 7491700), (19, 4337300), (20, 4120435), (22, 3745850), (25, 3296348), (38, 2168650), (44, 1872925), (50, 1648174), (55, 1498340), (76, 1084325), (95, 867460), (100, 824087), (110, 749170), (190, 433730), (209, 394300), (220, 374585), (275, 299668), (380, 216865), (418, 197150), (475, 173492), (550, 149834), (836, 98575), (950, 86746), (1045, 78860), (1100, 74917), (1900, 43373), (2090, 39430), (3943, 20900), (4180, 19715), (5225, 15772), (7886, 10450)]