621551260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1543}}^1\times {\mathrm{1831}}^1$

素因数の和:3394

約数の個数: 48

約数和(自身を含む): 1425618432

約数和(自身を除く): 804067172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1543, 1831, 3086, 3662, 6172, 7324, 7715, 9155, 15430, 16973, 18310, 20141, 30860, 33946, 36620, 40282, 67892, 80564, 84865, 100705, 169730, 201410, 339460, 402820, 2825233, 5650466, 11300932, 14126165, 28252330, 31077563, 56504660, 62155126, 124310252, 155387815, 310775630, 621551260]

約数ペア:

[(1, 621551260), (2, 310775630), (4, 155387815), (5, 124310252), (10, 62155126), (11, 56504660), (20, 31077563), (22, 28252330), (44, 14126165), (55, 11300932), (110, 5650466), (220, 2825233), (1543, 402820), (1831, 339460), (3086, 201410), (3662, 169730), (6172, 100705), (7324, 84865), (7715, 80564), (9155, 67892), (15430, 40282), (16973, 36620), (18310, 33946), (20141, 30860)]