87023420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 212889600

約数和(自身を除く): 125866180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 109, 110, 190, 191, 209, 218, 220, 380, 382, 418, 436, 545, 764, 836, 955, 1045, 1090, 1199, 1910, 2071, 2090, 2101, 2180, 2398, 3629, 3820, 4142, 4180, 4202, 4796, 5995, 7258, 8284, 8404, 10355, 10505, 11990, 14516, 18145, 20710, 20819, 21010, 22781, 23980, 36290, 39919, 41420, 41638, 42020, 45562, 72580, 79838, 83276, 91124, 104095, 113905, 159676, 199595, 208190, 227810, 229009, 395561, 399190, 416380, 455620, 458018, 791122, 798380, 916036, 1145045, 1582244, 1977805, 2290090, 3955610, 4351171, 4580180, 7911220, 8702342, 17404684, 21755855, 43511710, 87023420]

約数ペア:

[(1, 87023420), (2, 43511710), (4, 21755855), (5, 17404684), (10, 8702342), (11, 7911220), (19, 4580180), (20, 4351171), (22, 3955610), (38, 2290090), (44, 1977805), (55, 1582244), (76, 1145045), (95, 916036), (109, 798380), (110, 791122), (190, 458018), (191, 455620), (209, 416380), (218, 399190), (220, 395561), (380, 229009), (382, 227810), (418, 208190), (436, 199595), (545, 159676), (764, 113905), (836, 104095), (955, 91124), (1045, 83276), (1090, 79838), (1199, 72580), (1910, 45562), (2071, 42020), (2090, 41638), (2101, 41420), (2180, 39919), (2398, 36290), (3629, 23980), (3820, 22781), (4142, 21010), (4180, 20819), (4202, 20710), (4796, 18145), (5995, 14516), (7258, 11990), (8284, 10505), (8404, 10355)]