210988360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:527

約数の個数: 128

約数和(自身を含む): 557850240

約数和(自身を除く): 346861880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 67, 68, 85, 88, 110, 134, 136, 170, 187, 220, 268, 335, 340, 374, 421, 440, 536, 670, 680, 737, 748, 842, 935, 1139, 1340, 1474, 1496, 1684, 1870, 2105, 2278, 2680, 2948, 3368, 3685, 3740, 4210, 4556, 4631, 5695, 5896, 7157, 7370, 7480, 8420, 9112, 9262, 11390, 12529, 14314, 14740, 16840, 18524, 22780, 23155, 25058, 28207, 28628, 29480, 35785, 37048, 45560, 46310, 50116, 56414, 57256, 62645, 71570, 78727, 92620, 100232, 112828, 125290, 141035, 143140, 157454, 185240, 225656, 250580, 282070, 286280, 310277, 314908, 393635, 479519, 501160, 564140, 620554, 629816, 787270, 959038, 1128280, 1241108, 1551385, 1574540, 1918076, 2397595, 2482216, 3102770, 3149080, 3836152, 4795190, 5274709, 6205540, 9590380, 10549418, 12411080, 19180760, 21098836, 26373545, 42197672, 52747090, 105494180, 210988360]

約数ペア:

[(1, 210988360), (2, 105494180), (4, 52747090), (5, 42197672), (8, 26373545), (10, 21098836), (11, 19180760), (17, 12411080), (20, 10549418), (22, 9590380), (34, 6205540), (40, 5274709), (44, 4795190), (55, 3836152), (67, 3149080), (68, 3102770), (85, 2482216), (88, 2397595), (110, 1918076), (134, 1574540), (136, 1551385), (170, 1241108), (187, 1128280), (220, 959038), (268, 787270), (335, 629816), (340, 620554), (374, 564140), (421, 501160), (440, 479519), (536, 393635), (670, 314908), (680, 310277), (737, 286280), (748, 282070), (842, 250580), (935, 225656), (1139, 185240), (1340, 157454), (1474, 143140), (1496, 141035), (1684, 125290), (1870, 112828), (2105, 100232), (2278, 92620), (2680, 78727), (2948, 71570), (3368, 62645), (3685, 57256), (3740, 56414), (4210, 50116), (4556, 46310), (4631, 45560), (5695, 37048), (5896, 35785), (7157, 29480), (7370, 28628), (7480, 28207), (8420, 25058), (9112, 23155), (9262, 22780), (11390, 18524), (12529, 16840), (14314, 14740)]