9009220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 21321216

約数和(自身を除く): 12311996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1321, 1364, 1705, 2642, 3410, 5284, 6605, 6820, 13210, 14531, 26420, 29062, 40951, 58124, 72655, 81902, 145310, 163804, 204755, 290620, 409510, 450461, 819020, 900922, 1801844, 2252305, 4504610, 9009220]

約数ペア:

[(1, 9009220), (2, 4504610), (4, 2252305), (5, 1801844), (10, 900922), (11, 819020), (20, 450461), (22, 409510), (31, 290620), (44, 204755), (55, 163804), (62, 145310), (110, 81902), (124, 72655), (155, 58124), (220, 40951), (310, 29062), (341, 26420), (620, 14531), (682, 13210), (1321, 6820), (1364, 6605), (1705, 5284), (2642, 3410)]