83975980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{911}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 193052160

約数和(自身を除く): 109076180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 419, 838, 911, 1676, 1822, 2095, 3644, 4190, 4555, 4609, 8380, 9110, 9218, 10021, 18220, 18436, 20042, 23045, 40084, 46090, 50105, 92180, 100210, 200420, 381709, 763418, 1526836, 1908545, 3817090, 4198799, 7634180, 8397598, 16795196, 20993995, 41987990, 83975980]

約数ペア:

[(1, 83975980), (2, 41987990), (4, 20993995), (5, 16795196), (10, 8397598), (11, 7634180), (20, 4198799), (22, 3817090), (44, 1908545), (55, 1526836), (110, 763418), (220, 381709), (419, 200420), (838, 100210), (911, 92180), (1676, 50105), (1822, 46090), (2095, 40084), (3644, 23045), (4190, 20042), (4555, 18436), (4609, 18220), (8380, 10021), (9110, 9218)]