211951300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4481}}^1$

素因数の和:4549

約数の個数: 72

約数和(自身を含む): 513529632

約数和(自身を除く): 301578332

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 172, 215, 220, 275, 430, 473, 550, 860, 946, 1075, 1100, 1892, 2150, 2365, 4300, 4481, 4730, 8962, 9460, 11825, 17924, 22405, 23650, 44810, 47300, 49291, 89620, 98582, 112025, 192683, 197164, 224050, 246455, 385366, 448100, 492910, 770732, 963415, 985820, 1232275, 1926830, 2119513, 2464550, 3853660, 4239026, 4817075, 4929100, 8478052, 9634150, 10597565, 19268300, 21195130, 42390260, 52987825, 105975650, 211951300]

約数ペア:

[(1, 211951300), (2, 105975650), (4, 52987825), (5, 42390260), (10, 21195130), (11, 19268300), (20, 10597565), (22, 9634150), (25, 8478052), (43, 4929100), (44, 4817075), (50, 4239026), (55, 3853660), (86, 2464550), (100, 2119513), (110, 1926830), (172, 1232275), (215, 985820), (220, 963415), (275, 770732), (430, 492910), (473, 448100), (550, 385366), (860, 246455), (946, 224050), (1075, 197164), (1100, 192683), (1892, 112025), (2150, 98582), (2365, 89620), (4300, 49291), (4481, 47300), (4730, 44810), (8962, 23650), (9460, 22405), (11825, 17924)]