128439710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 274627584

約数和(自身を除く): 146187874

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 71, 86, 142, 215, 301, 355, 430, 497, 601, 602, 710, 994, 1202, 1505, 2485, 3005, 3010, 3053, 4207, 4970, 6010, 6106, 8414, 15265, 21035, 21371, 25843, 30530, 42070, 42671, 42742, 51686, 85342, 106855, 129215, 180901, 213355, 213710, 258430, 298697, 361802, 426710, 597394, 904505, 1493485, 1809010, 1834853, 2986970, 3669706, 9174265, 12843971, 18348530, 25687942, 64219855, 128439710]

約数ペア:

[(1, 128439710), (2, 64219855), (5, 25687942), (7, 18348530), (10, 12843971), (14, 9174265), (35, 3669706), (43, 2986970), (70, 1834853), (71, 1809010), (86, 1493485), (142, 904505), (215, 597394), (301, 426710), (355, 361802), (430, 298697), (497, 258430), (601, 213710), (602, 213355), (710, 180901), (994, 129215), (1202, 106855), (1505, 85342), (2485, 51686), (3005, 42742), (3010, 42671), (3053, 42070), (4207, 30530), (4970, 25843), (6010, 21371), (6106, 21035), (8414, 15265)]