291209380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{719}}^1$

素因数の和:1009

約数の個数: 96

約数和(自身を含む): 766402560

約数和(自身を除く): 475193180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 263, 308, 385, 526, 719, 770, 1052, 1315, 1438, 1540, 1841, 2630, 2876, 2893, 3595, 3682, 5033, 5260, 5786, 7190, 7364, 7909, 9205, 10066, 11572, 14380, 14465, 15818, 18410, 20132, 20251, 25165, 28930, 31636, 36820, 39545, 40502, 50330, 55363, 57860, 79090, 81004, 100660, 101255, 110726, 158180, 189097, 202510, 221452, 276815, 378194, 405020, 553630, 756388, 945485, 1107260, 1323679, 1890970, 2080067, 2647358, 3781940, 4160134, 5294716, 6618395, 8320268, 10400335, 13236790, 14560469, 20800670, 26473580, 29120938, 41601340, 58241876, 72802345, 145604690, 291209380]

約数ペア:

[(1, 291209380), (2, 145604690), (4, 72802345), (5, 58241876), (7, 41601340), (10, 29120938), (11, 26473580), (14, 20800670), (20, 14560469), (22, 13236790), (28, 10400335), (35, 8320268), (44, 6618395), (55, 5294716), (70, 4160134), (77, 3781940), (110, 2647358), (140, 2080067), (154, 1890970), (220, 1323679), (263, 1107260), (308, 945485), (385, 756388), (526, 553630), (719, 405020), (770, 378194), (1052, 276815), (1315, 221452), (1438, 202510), (1540, 189097), (1841, 158180), (2630, 110726), (2876, 101255), (2893, 100660), (3595, 81004), (3682, 79090), (5033, 57860), (5260, 55363), (5786, 50330), (7190, 40502), (7364, 39545), (7909, 36820), (9205, 31636), (10066, 28930), (11572, 25165), (14380, 20251), (14465, 20132), (15818, 18410)]