291777980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1\times {\mathrm{1531}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 661198944

約数和(自身を除く): 369420964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 733, 1466, 1531, 2932, 3062, 3665, 6124, 7330, 7655, 9529, 14660, 15310, 19058, 19903, 30620, 38116, 39806, 47645, 79612, 95290, 99515, 190580, 199030, 398060, 1122223, 2244446, 4488892, 5611115, 11222230, 14588899, 22444460, 29177798, 58355596, 72944495, 145888990, 291777980]

約数ペア:

[(1, 291777980), (2, 145888990), (4, 72944495), (5, 58355596), (10, 29177798), (13, 22444460), (20, 14588899), (26, 11222230), (52, 5611115), (65, 4488892), (130, 2244446), (260, 1122223), (733, 398060), (1466, 199030), (1531, 190580), (2932, 99515), (3062, 95290), (3665, 79612), (6124, 47645), (7330, 39806), (7655, 38116), (9529, 30620), (14660, 19903), (15310, 19058)]