477486490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1087}}^1$

素因数の和:1247

約数の個数: 64

約数和(自身を含む): 965099520

約数和(自身を除く): 487613030

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 109, 130, 155, 218, 310, 403, 545, 806, 1087, 1090, 1417, 2015, 2174, 2834, 3379, 4030, 5435, 6758, 7085, 10870, 14131, 14170, 16895, 28262, 33697, 33790, 43927, 67394, 70655, 87854, 118483, 141310, 168485, 219635, 236966, 336970, 438061, 439270, 592415, 876122, 1184830, 1540279, 2190305, 3080558, 3672973, 4380610, 7345946, 7701395, 15402790, 18364865, 36729730, 47748649, 95497298, 238743245, 477486490]

約数ペア:

[(1, 477486490), (2, 238743245), (5, 95497298), (10, 47748649), (13, 36729730), (26, 18364865), (31, 15402790), (62, 7701395), (65, 7345946), (109, 4380610), (130, 3672973), (155, 3080558), (218, 2190305), (310, 1540279), (403, 1184830), (545, 876122), (806, 592415), (1087, 439270), (1090, 438061), (1417, 336970), (2015, 236966), (2174, 219635), (2834, 168485), (3379, 141310), (4030, 118483), (5435, 87854), (6758, 70655), (7085, 67394), (10870, 43927), (14131, 33790), (14170, 33697), (16895, 28262)]