571340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 1551312

約数和(自身を除く): 979972

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 53, 55, 70, 77, 98, 106, 110, 140, 154, 196, 212, 220, 245, 265, 308, 371, 385, 490, 530, 539, 583, 742, 770, 980, 1060, 1078, 1166, 1484, 1540, 1855, 2156, 2332, 2597, 2695, 2915, 3710, 4081, 5194, 5390, 5830, 7420, 8162, 10388, 10780, 11660, 12985, 16324, 20405, 25970, 28567, 40810, 51940, 57134, 81620, 114268, 142835, 285670, 571340]

約数ペア:

[(1, 571340), (2, 285670), (4, 142835), (5, 114268), (7, 81620), (10, 57134), (11, 51940), (14, 40810), (20, 28567), (22, 25970), (28, 20405), (35, 16324), (44, 12985), (49, 11660), (53, 10780), (55, 10388), (70, 8162), (77, 7420), (98, 5830), (106, 5390), (110, 5194), (140, 4081), (154, 3710), (196, 2915), (212, 2695), (220, 2597), (245, 2332), (265, 2156), (308, 1855), (371, 1540), (385, 1484), (490, 1166), (530, 1078), (539, 1060), (583, 980), (742, 770)]