287777230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{443}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 590768640

約数和(自身を除く): 302991410

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 263, 443, 494, 526, 886, 1235, 1315, 2215, 2470, 2630, 3419, 4430, 4997, 5759, 6838, 8417, 9994, 11518, 16834, 17095, 24985, 28795, 34190, 42085, 49970, 57590, 64961, 84170, 109421, 116509, 129922, 218842, 233018, 324805, 547105, 582545, 649610, 1094210, 1165090, 1514617, 2213671, 3029234, 4427342, 7573085, 11068355, 15146170, 22136710, 28777723, 57555446, 143888615, 287777230]

約数ペア:

[(1, 287777230), (2, 143888615), (5, 57555446), (10, 28777723), (13, 22136710), (19, 15146170), (26, 11068355), (38, 7573085), (65, 4427342), (95, 3029234), (130, 2213671), (190, 1514617), (247, 1165090), (263, 1094210), (443, 649610), (494, 582545), (526, 547105), (886, 324805), (1235, 233018), (1315, 218842), (2215, 129922), (2470, 116509), (2630, 109421), (3419, 84170), (4430, 64961), (4997, 57590), (5759, 49970), (6838, 42085), (8417, 34190), (9994, 28795), (11518, 24985), (16834, 17095)]