921135490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{809}}^1\times {\mathrm{941}}^1$

素因数の和:1779

約数の個数: 48

約数和(自身を含む): 1826669880

約数和(自身を除く): 905534390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 809, 941, 1210, 1618, 1882, 4045, 4705, 8090, 8899, 9410, 10351, 17798, 20702, 44495, 51755, 88990, 97889, 103510, 113861, 195778, 227722, 489445, 569305, 761269, 978890, 1138610, 1522538, 3806345, 7612690, 8373959, 16747918, 41869795, 83739590, 92113549, 184227098, 460567745, 921135490]

約数ペア:

[(1, 921135490), (2, 460567745), (5, 184227098), (10, 92113549), (11, 83739590), (22, 41869795), (55, 16747918), (110, 8373959), (121, 7612690), (242, 3806345), (605, 1522538), (809, 1138610), (941, 978890), (1210, 761269), (1618, 569305), (1882, 489445), (4045, 227722), (4705, 195778), (8090, 113861), (8899, 103510), (9410, 97889), (10351, 88990), (17798, 51755), (20702, 44495)]