28646860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2207}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 66769920

約数和(自身を除く): 38123060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2207, 2596, 3245, 4414, 6490, 8828, 11035, 12980, 22070, 24277, 44140, 48554, 97108, 121385, 130213, 242770, 260426, 485540, 520852, 651065, 1302130, 1432343, 2604260, 2864686, 5729372, 7161715, 14323430, 28646860]

約数ペア:

[(1, 28646860), (2, 14323430), (4, 7161715), (5, 5729372), (10, 2864686), (11, 2604260), (20, 1432343), (22, 1302130), (44, 651065), (55, 520852), (59, 485540), (110, 260426), (118, 242770), (220, 130213), (236, 121385), (295, 97108), (590, 48554), (649, 44140), (1180, 24277), (1298, 22070), (2207, 12980), (2596, 11035), (3245, 8828), (4414, 6490)]