888958840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{827}}^1$

素因数の和:1205

約数の個数: 128

約数和(自身を含む): 2503872000

約数和(自身を除く): 1614913160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 349, 385, 440, 616, 698, 770, 827, 1396, 1540, 1654, 1745, 2443, 2792, 3080, 3308, 3490, 3839, 4135, 4886, 5789, 6616, 6980, 7678, 8270, 9097, 9772, 11578, 12215, 13960, 15356, 16540, 18194, 19195, 19544, 23156, 24430, 26873, 28945, 30712, 33080, 36388, 38390, 45485, 46312, 48860, 53746, 57890, 63679, 72776, 76780, 90970, 97720, 107492, 115780, 127358, 134365, 153560, 181940, 214984, 231560, 254716, 268730, 288623, 318395, 363880, 509432, 537460, 577246, 636790, 1074920, 1154492, 1273580, 1443115, 2020361, 2308984, 2547160, 2886230, 3174853, 4040722, 5772460, 6349706, 8081444, 10101805, 11544920, 12699412, 15874265, 16162888, 20203610, 22223971, 25398824, 31748530, 40407220, 44447942, 63497060, 80814440, 88895884, 111119855, 126994120, 177791768, 222239710, 444479420, 888958840]

約数ペア:

[(1, 888958840), (2, 444479420), (4, 222239710), (5, 177791768), (7, 126994120), (8, 111119855), (10, 88895884), (11, 80814440), (14, 63497060), (20, 44447942), (22, 40407220), (28, 31748530), (35, 25398824), (40, 22223971), (44, 20203610), (55, 16162888), (56, 15874265), (70, 12699412), (77, 11544920), (88, 10101805), (110, 8081444), (140, 6349706), (154, 5772460), (220, 4040722), (280, 3174853), (308, 2886230), (349, 2547160), (385, 2308984), (440, 2020361), (616, 1443115), (698, 1273580), (770, 1154492), (827, 1074920), (1396, 636790), (1540, 577246), (1654, 537460), (1745, 509432), (2443, 363880), (2792, 318395), (3080, 288623), (3308, 268730), (3490, 254716), (3839, 231560), (4135, 214984), (4886, 181940), (5789, 153560), (6616, 134365), (6980, 127358), (7678, 115780), (8270, 107492), (9097, 97720), (9772, 90970), (11578, 76780), (12215, 72776), (13960, 63679), (15356, 57890), (16540, 53746), (18194, 48860), (19195, 46312), (19544, 45485), (23156, 38390), (24430, 36388), (26873, 33080), (28945, 30712)]