1010678920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{2531}}^1$

素因数の和:2758

約数の個数: 64

約数和(自身を含む): 2324376000

約数和(自身を除く): 1313697080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 149, 268, 298, 335, 536, 596, 670, 745, 1192, 1340, 1490, 2531, 2680, 2980, 5062, 5960, 9983, 10124, 12655, 19966, 20248, 25310, 39932, 49915, 50620, 79864, 99830, 101240, 169577, 199660, 339154, 377119, 399320, 678308, 754238, 847885, 1356616, 1508476, 1695770, 1885595, 3016952, 3391540, 3771190, 6783080, 7542380, 15084760, 25266973, 50533946, 101067892, 126334865, 202135784, 252669730, 505339460, 1010678920]

約数ペア:

[(1, 1010678920), (2, 505339460), (4, 252669730), (5, 202135784), (8, 126334865), (10, 101067892), (20, 50533946), (40, 25266973), (67, 15084760), (134, 7542380), (149, 6783080), (268, 3771190), (298, 3391540), (335, 3016952), (536, 1885595), (596, 1695770), (670, 1508476), (745, 1356616), (1192, 847885), (1340, 754238), (1490, 678308), (2531, 399320), (2680, 377119), (2980, 339154), (5062, 199660), (5960, 169577), (9983, 101240), (10124, 99830), (12655, 79864), (19966, 50620), (20248, 49915), (25310, 39932)]