90310000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:860

約数の個数: 100

約数和(自身を含む): 238817304

約数和(自身を除く): 148507304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 625, 821, 880, 1000, 1100, 1250, 1375, 1642, 2000, 2200, 2500, 2750, 3284, 4105, 4400, 5000, 5500, 6568, 6875, 8210, 9031, 10000, 11000, 13136, 13750, 16420, 18062, 20525, 22000, 27500, 32840, 36124, 41050, 45155, 55000, 65680, 72248, 82100, 90310, 102625, 110000, 144496, 164200, 180620, 205250, 225775, 328400, 361240, 410500, 451550, 513125, 722480, 821000, 903100, 1026250, 1128875, 1642000, 1806200, 2052500, 2257750, 3612400, 4105000, 4515500, 5644375, 8210000, 9031000, 11288750, 18062000, 22577500, 45155000, 90310000]

約数ペア:

[(1, 90310000), (2, 45155000), (4, 22577500), (5, 18062000), (8, 11288750), (10, 9031000), (11, 8210000), (16, 5644375), (20, 4515500), (22, 4105000), (25, 3612400), (40, 2257750), (44, 2052500), (50, 1806200), (55, 1642000), (80, 1128875), (88, 1026250), (100, 903100), (110, 821000), (125, 722480), (176, 513125), (200, 451550), (220, 410500), (250, 361240), (275, 328400), (400, 225775), (440, 205250), (500, 180620), (550, 164200), (625, 144496), (821, 110000), (880, 102625), (1000, 90310), (1100, 82100), (1250, 72248), (1375, 65680), (1642, 55000), (2000, 45155), (2200, 41050), (2500, 36124), (2750, 32840), (3284, 27500), (4105, 22000), (4400, 20525), (5000, 18062), (5500, 16420), (6568, 13750), (6875, 13136), (8210, 11000), (9031, 10000)]