54241580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 120540000

約数和(自身を除く): 66298420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 349, 380, 409, 698, 818, 1396, 1636, 1745, 2045, 3490, 4090, 6631, 6980, 7771, 8180, 13262, 15542, 26524, 31084, 33155, 38855, 66310, 77710, 132620, 142741, 155420, 285482, 570964, 713705, 1427410, 2712079, 2854820, 5424158, 10848316, 13560395, 27120790, 54241580]

約数ペア:

[(1, 54241580), (2, 27120790), (4, 13560395), (5, 10848316), (10, 5424158), (19, 2854820), (20, 2712079), (38, 1427410), (76, 713705), (95, 570964), (190, 285482), (349, 155420), (380, 142741), (409, 132620), (698, 77710), (818, 66310), (1396, 38855), (1636, 33155), (1745, 31084), (2045, 26524), (3490, 15542), (4090, 13262), (6631, 8180), (6980, 7771)]