3987123220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{221261}}^1$

素因数の和:221340

約数の個数: 48

約数和(自身を含む): 9032799888

約数和(自身を除く): 5045676668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4505, 9010, 18020, 221261, 442522, 885044, 1106305, 2212610, 3761437, 4425220, 7522874, 11726833, 15045748, 18807185, 23453666, 37614370, 46907332, 58634165, 75228740, 117268330, 199356161, 234536660, 398712322, 797424644, 996780805, 1993561610, 3987123220]

約数ペア:

[(1, 3987123220), (2, 1993561610), (4, 996780805), (5, 797424644), (10, 398712322), (17, 234536660), (20, 199356161), (34, 117268330), (53, 75228740), (68, 58634165), (85, 46907332), (106, 37614370), (170, 23453666), (212, 18807185), (265, 15045748), (340, 11726833), (530, 7522874), (901, 4425220), (1060, 3761437), (1802, 2212610), (3604, 1106305), (4505, 885044), (9010, 442522), (18020, 221261)]