278314790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{2897}}^1$

素因数の和:3656

約数の個数: 32

約数和(自身を含む): 540419040

約数和(自身を除く): 262104250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 739, 1478, 2897, 3695, 5794, 7390, 9607, 14485, 19214, 28970, 37661, 48035, 75322, 96070, 188305, 376610, 2140883, 4281766, 10704415, 21408830, 27831479, 55662958, 139157395, 278314790]

約数ペア:

[(1, 278314790), (2, 139157395), (5, 55662958), (10, 27831479), (13, 21408830), (26, 10704415), (65, 4281766), (130, 2140883), (739, 376610), (1478, 188305), (2897, 96070), (3695, 75322), (5794, 48035), (7390, 37661), (9607, 28970), (14485, 19214)]