1112540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 2751840

約数和(自身を除く): 1639300

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 389, 572, 715, 778, 1430, 1556, 1945, 2860, 3890, 4279, 5057, 7780, 8558, 10114, 17116, 20228, 21395, 25285, 42790, 50570, 55627, 85580, 101140, 111254, 222508, 278135, 556270, 1112540]

約数ペア:

[(1, 1112540), (2, 556270), (4, 278135), (5, 222508), (10, 111254), (11, 101140), (13, 85580), (20, 55627), (22, 50570), (26, 42790), (44, 25285), (52, 21395), (55, 20228), (65, 17116), (110, 10114), (130, 8558), (143, 7780), (220, 5057), (260, 4279), (286, 3890), (389, 2860), (572, 1945), (715, 1556), (778, 1430)]