1978136360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{23879}}^1$

素因数の和:24018

約数の個数: 64

約数和(自身を含む): 4728240000

約数和(自身を除く): 2750103640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1090, 2071, 2180, 4142, 4360, 8284, 10355, 16568, 20710, 23879, 41420, 47758, 82840, 95516, 119395, 191032, 238790, 453701, 477580, 907402, 955160, 1814804, 2268505, 2602811, 3629608, 4537010, 5205622, 9074020, 10411244, 13014055, 18148040, 20822488, 26028110, 49453409, 52056220, 98906818, 104112440, 197813636, 247267045, 395627272, 494534090, 989068180, 1978136360]

約数ペア:

[(1, 1978136360), (2, 989068180), (4, 494534090), (5, 395627272), (8, 247267045), (10, 197813636), (19, 104112440), (20, 98906818), (38, 52056220), (40, 49453409), (76, 26028110), (95, 20822488), (109, 18148040), (152, 13014055), (190, 10411244), (218, 9074020), (380, 5205622), (436, 4537010), (545, 3629608), (760, 2602811), (872, 2268505), (1090, 1814804), (2071, 955160), (2180, 907402), (4142, 477580), (4360, 453701), (8284, 238790), (10355, 191032), (16568, 119395), (20710, 95516), (23879, 82840), (41420, 47758)]