1299980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 3144960

約数和(自身を除く): 1844980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 311, 380, 418, 622, 836, 1045, 1244, 1555, 2090, 3110, 3421, 4180, 5909, 6220, 6842, 11818, 13684, 17105, 23636, 29545, 34210, 59090, 64999, 68420, 118180, 129998, 259996, 324995, 649990, 1299980]

約数ペア:

[(1, 1299980), (2, 649990), (4, 324995), (5, 259996), (10, 129998), (11, 118180), (19, 68420), (20, 64999), (22, 59090), (38, 34210), (44, 29545), (55, 23636), (76, 17105), (95, 13684), (110, 11818), (190, 6842), (209, 6220), (220, 5909), (311, 4180), (380, 3421), (418, 3110), (622, 2090), (836, 1555), (1045, 1244)]