312223000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 767257920

約数和(自身を除く): 455034920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 53, 86, 100, 106, 125, 137, 172, 200, 212, 215, 250, 265, 274, 344, 424, 430, 500, 530, 548, 685, 860, 1000, 1060, 1075, 1096, 1325, 1370, 1720, 2120, 2150, 2279, 2650, 2740, 3425, 4300, 4558, 5300, 5375, 5480, 5891, 6625, 6850, 7261, 8600, 9116, 10600, 10750, 11395, 11782, 13250, 13700, 14522, 17125, 18232, 21500, 22790, 23564, 26500, 27400, 29044, 29455, 34250, 36305, 43000, 45580, 47128, 53000, 56975, 58088, 58910, 68500, 72610, 91160, 113950, 117820, 137000, 145220, 147275, 181525, 227900, 235640, 284875, 290440, 294550, 312223, 363050, 455800, 569750, 589100, 624446, 726100, 736375, 907625, 1139500, 1178200, 1248892, 1452200, 1472750, 1561115, 1815250, 2279000, 2497784, 2945500, 3122230, 3630500, 5891000, 6244460, 7261000, 7805575, 12488920, 15611150, 31222300, 39027875, 62444600, 78055750, 156111500, 312223000]

約数ペア:

[(1, 312223000), (2, 156111500), (4, 78055750), (5, 62444600), (8, 39027875), (10, 31222300), (20, 15611150), (25, 12488920), (40, 7805575), (43, 7261000), (50, 6244460), (53, 5891000), (86, 3630500), (100, 3122230), (106, 2945500), (125, 2497784), (137, 2279000), (172, 1815250), (200, 1561115), (212, 1472750), (215, 1452200), (250, 1248892), (265, 1178200), (274, 1139500), (344, 907625), (424, 736375), (430, 726100), (500, 624446), (530, 589100), (548, 569750), (685, 455800), (860, 363050), (1000, 312223), (1060, 294550), (1075, 290440), (1096, 284875), (1325, 235640), (1370, 227900), (1720, 181525), (2120, 147275), (2150, 145220), (2279, 137000), (2650, 117820), (2740, 113950), (3425, 91160), (4300, 72610), (4558, 68500), (5300, 58910), (5375, 58088), (5480, 56975), (5891, 53000), (6625, 47128), (6850, 45580), (7261, 43000), (8600, 36305), (9116, 34250), (10600, 29455), (10750, 29044), (11395, 27400), (11782, 26500), (13250, 23564), (13700, 22790), (14522, 21500), (17125, 18232)]