68508860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1395

約数の個数: 72

約数和(自身を含む): 170644320

約数和(自身を除く): 102135460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1319, 1484, 1855, 2597, 2638, 3710, 5194, 5276, 6595, 7420, 9233, 10388, 12985, 13190, 18466, 25970, 26380, 36932, 46165, 51940, 64631, 69907, 92330, 129262, 139814, 184660, 258524, 279628, 323155, 349535, 489349, 646310, 699070, 978698, 1292620, 1398140, 1957396, 2446745, 3425443, 4893490, 6850886, 9786980, 13701772, 17127215, 34254430, 68508860]

約数ペア:

[(1, 68508860), (2, 34254430), (4, 17127215), (5, 13701772), (7, 9786980), (10, 6850886), (14, 4893490), (20, 3425443), (28, 2446745), (35, 1957396), (49, 1398140), (53, 1292620), (70, 978698), (98, 699070), (106, 646310), (140, 489349), (196, 349535), (212, 323155), (245, 279628), (265, 258524), (371, 184660), (490, 139814), (530, 129262), (742, 92330), (980, 69907), (1060, 64631), (1319, 51940), (1484, 46165), (1855, 36932), (2597, 26380), (2638, 25970), (3710, 18466), (5194, 13190), (5276, 12985), (6595, 10388), (7420, 9233)]