138505360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:513

約数の個数: 120

約数和(自身を含む): 379763640

約数和(自身を除く): 241258280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 178, 196, 245, 280, 356, 392, 397, 445, 490, 560, 623, 712, 784, 794, 890, 980, 1246, 1424, 1588, 1780, 1960, 1985, 2492, 2779, 3115, 3176, 3560, 3920, 3970, 4361, 4984, 5558, 6230, 6352, 7120, 7940, 8722, 9968, 11116, 12460, 13895, 15880, 17444, 19453, 21805, 22232, 24920, 27790, 31760, 34888, 35333, 38906, 43610, 44464, 49840, 55580, 69776, 70666, 77812, 87220, 97265, 111160, 141332, 155624, 174440, 176665, 194530, 222320, 247331, 282664, 311248, 348880, 353330, 389060, 494662, 565328, 706660, 778120, 989324, 1236655, 1413320, 1556240, 1731317, 1978648, 2473310, 2826640, 3462634, 3957296, 4946620, 6925268, 8656585, 9893240, 13850536, 17313170, 19786480, 27701072, 34626340, 69252680, 138505360]

約数ペア:

[(1, 138505360), (2, 69252680), (4, 34626340), (5, 27701072), (7, 19786480), (8, 17313170), (10, 13850536), (14, 9893240), (16, 8656585), (20, 6925268), (28, 4946620), (35, 3957296), (40, 3462634), (49, 2826640), (56, 2473310), (70, 1978648), (80, 1731317), (89, 1556240), (98, 1413320), (112, 1236655), (140, 989324), (178, 778120), (196, 706660), (245, 565328), (280, 494662), (356, 389060), (392, 353330), (397, 348880), (445, 311248), (490, 282664), (560, 247331), (623, 222320), (712, 194530), (784, 176665), (794, 174440), (890, 155624), (980, 141332), (1246, 111160), (1424, 97265), (1588, 87220), (1780, 77812), (1960, 70666), (1985, 69776), (2492, 55580), (2779, 49840), (3115, 44464), (3176, 43610), (3560, 38906), (3920, 35333), (3970, 34888), (4361, 31760), (4984, 27790), (5558, 24920), (6230, 22232), (6352, 21805), (7120, 19453), (7940, 17444), (8722, 15880), (9968, 13895), (11116, 12460)]