207974660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 479001600

約数和(自身を除く): 271026940

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 43, 58, 62, 86, 116, 124, 145, 155, 172, 215, 269, 290, 310, 430, 538, 580, 620, 860, 899, 1076, 1247, 1333, 1345, 1798, 2494, 2666, 2690, 3596, 4495, 4988, 5332, 5380, 6235, 6665, 7801, 8339, 8990, 11567, 12470, 13330, 15602, 16678, 17980, 23134, 24940, 26660, 31204, 33356, 38657, 39005, 41695, 46268, 57835, 77314, 78010, 83390, 115670, 154628, 156020, 166780, 193285, 231340, 241831, 335443, 358577, 386570, 483662, 670886, 717154, 773140, 967324, 1209155, 1341772, 1434308, 1677215, 1792885, 2418310, 3354430, 3585770, 4836620, 6708860, 7171540, 10398733, 20797466, 41594932, 51993665, 103987330, 207974660]

約数ペア:

[(1, 207974660), (2, 103987330), (4, 51993665), (5, 41594932), (10, 20797466), (20, 10398733), (29, 7171540), (31, 6708860), (43, 4836620), (58, 3585770), (62, 3354430), (86, 2418310), (116, 1792885), (124, 1677215), (145, 1434308), (155, 1341772), (172, 1209155), (215, 967324), (269, 773140), (290, 717154), (310, 670886), (430, 483662), (538, 386570), (580, 358577), (620, 335443), (860, 241831), (899, 231340), (1076, 193285), (1247, 166780), (1333, 156020), (1345, 154628), (1798, 115670), (2494, 83390), (2666, 78010), (2690, 77314), (3596, 57835), (4495, 46268), (4988, 41695), (5332, 39005), (5380, 38657), (6235, 33356), (6665, 31204), (7801, 26660), (8339, 24940), (8990, 23134), (11567, 17980), (12470, 16678), (13330, 15602)]