2019925325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{853}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 2795654400

約数和(自身を除く): 775729075

約数列:

[1, 5, 11, 25, 55, 79, 109, 275, 395, 545, 853, 869, 1199, 1975, 2725, 4265, 4345, 5995, 8611, 9383, 21325, 21725, 29975, 43055, 46915, 67387, 92977, 94721, 215275, 234575, 336935, 464885, 473605, 741257, 1022747, 1684675, 2324425, 2368025, 3706285, 5113735, 7345183, 18531425, 25568675, 36725915, 80797013, 183629575, 403985065, 2019925325]

約数ペア:

[(1, 2019925325), (5, 403985065), (11, 183629575), (25, 80797013), (55, 36725915), (79, 25568675), (109, 18531425), (275, 7345183), (395, 5113735), (545, 3706285), (853, 2368025), (869, 2324425), (1199, 1684675), (1975, 1022747), (2725, 741257), (4265, 473605), (4345, 464885), (5995, 336935), (8611, 234575), (9383, 215275), (21325, 94721), (21725, 92977), (29975, 67387), (43055, 46915)]