8757100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 21873600

約数和(自身を除く): 13116500

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, 419, 475, 550, 836, 838, 950, 1045, 1100, 1676, 1900, 2090, 2095, 4180, 4190, 4609, 5225, 7961, 8380, 9218, 10450, 10475, 15922, 18436, 20900, 20950, 23045, 31844, 39805, 41900, 46090, 79610, 87571, 92180, 115225, 159220, 175142, 199025, 230450, 350284, 398050, 437855, 460900, 796100, 875710, 1751420, 2189275, 4378550, 8757100]

約数ペア:

[(1, 8757100), (2, 4378550), (4, 2189275), (5, 1751420), (10, 875710), (11, 796100), (19, 460900), (20, 437855), (22, 398050), (25, 350284), (38, 230450), (44, 199025), (50, 175142), (55, 159220), (76, 115225), (95, 92180), (100, 87571), (110, 79610), (190, 46090), (209, 41900), (220, 39805), (275, 31844), (380, 23045), (418, 20950), (419, 20900), (475, 18436), (550, 15922), (836, 10475), (838, 10450), (950, 9218), (1045, 8380), (1100, 7961), (1676, 5225), (1900, 4609), (2090, 4190), (2095, 4180)]