254129260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{571}}^1$

素因数の和:632

約数の個数: 144

約数和(自身を含む): 708035328

約数和(自身を除く): 453906068

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 289, 308, 340, 374, 385, 476, 571, 578, 595, 748, 770, 935, 1142, 1156, 1190, 1309, 1445, 1540, 1870, 2023, 2284, 2380, 2618, 2855, 2890, 3179, 3740, 3997, 4046, 5236, 5710, 5780, 6281, 6358, 6545, 7994, 8092, 9707, 10115, 11420, 12562, 12716, 13090, 15895, 15988, 19414, 19985, 20230, 22253, 25124, 26180, 31405, 31790, 38828, 39970, 40460, 43967, 44506, 48535, 62810, 63580, 67949, 79940, 87934, 89012, 97070, 106777, 111265, 125620, 135898, 165019, 175868, 194140, 213554, 219835, 222530, 271796, 330038, 339745, 427108, 439670, 445060, 533885, 660076, 679490, 747439, 825095, 879340, 1067770, 1155133, 1358980, 1494878, 1650190, 1815209, 2135540, 2310266, 2989756, 3300380, 3630418, 3737195, 4620532, 5775665, 7260836, 7474390, 9076045, 11551330, 12706463, 14948780, 18152090, 23102660, 25412926, 36304180, 50825852, 63532315, 127064630, 254129260]

約数ペア:

[(1, 254129260), (2, 127064630), (4, 63532315), (5, 50825852), (7, 36304180), (10, 25412926), (11, 23102660), (14, 18152090), (17, 14948780), (20, 12706463), (22, 11551330), (28, 9076045), (34, 7474390), (35, 7260836), (44, 5775665), (55, 4620532), (68, 3737195), (70, 3630418), (77, 3300380), (85, 2989756), (110, 2310266), (119, 2135540), (140, 1815209), (154, 1650190), (170, 1494878), (187, 1358980), (220, 1155133), (238, 1067770), (289, 879340), (308, 825095), (340, 747439), (374, 679490), (385, 660076), (476, 533885), (571, 445060), (578, 439670), (595, 427108), (748, 339745), (770, 330038), (935, 271796), (1142, 222530), (1156, 219835), (1190, 213554), (1309, 194140), (1445, 175868), (1540, 165019), (1870, 135898), (2023, 125620), (2284, 111265), (2380, 106777), (2618, 97070), (2855, 89012), (2890, 87934), (3179, 79940), (3740, 67949), (3997, 63580), (4046, 62810), (5236, 48535), (5710, 44506), (5780, 43967), (6281, 40460), (6358, 39970), (6545, 38828), (7994, 31790), (8092, 31405), (9707, 26180), (10115, 25124), (11420, 22253), (12562, 20230), (12716, 19985), (13090, 19414), (15895, 15988)]