105781780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2927}}^1$

素因数の和:3088

約数の個数: 48

約数和(自身を含む): 241032960

約数和(自身を除く): 135251180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 2927, 3614, 5854, 7228, 9035, 11708, 14635, 18070, 29270, 36140, 38051, 58540, 76102, 152204, 190255, 380510, 406853, 761020, 813706, 1627412, 2034265, 4068530, 5289089, 8137060, 10578178, 21156356, 26445445, 52890890, 105781780]

約数ペア:

[(1, 105781780), (2, 52890890), (4, 26445445), (5, 21156356), (10, 10578178), (13, 8137060), (20, 5289089), (26, 4068530), (52, 2034265), (65, 1627412), (130, 813706), (139, 761020), (260, 406853), (278, 380510), (556, 190255), (695, 152204), (1390, 76102), (1807, 58540), (2780, 38051), (2927, 36140), (3614, 29270), (5854, 18070), (7228, 14635), (9035, 11708)]