2021619880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{32377}}^1$

素因数の和:32618

約数の個数: 64

約数和(自身を含む): 5221923840

約数和(自身を除く): 3200303960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 892, 1115, 1561, 1784, 2230, 3122, 4460, 6244, 7805, 8920, 12488, 15610, 31220, 32377, 62440, 64754, 129508, 161885, 226639, 259016, 323770, 453278, 647540, 906556, 1133195, 1295080, 1813112, 2266390, 4532780, 7220071, 9065560, 14440142, 28880284, 36100355, 50540497, 57760568, 72200710, 101080994, 144401420, 202161988, 252702485, 288802840, 404323976, 505404970, 1010809940, 2021619880]

約数ペア:

[(1, 2021619880), (2, 1010809940), (4, 505404970), (5, 404323976), (7, 288802840), (8, 252702485), (10, 202161988), (14, 144401420), (20, 101080994), (28, 72200710), (35, 57760568), (40, 50540497), (56, 36100355), (70, 28880284), (140, 14440142), (223, 9065560), (280, 7220071), (446, 4532780), (892, 2266390), (1115, 1813112), (1561, 1295080), (1784, 1133195), (2230, 906556), (3122, 647540), (4460, 453278), (6244, 323770), (7805, 259016), (8920, 226639), (12488, 161885), (15610, 129508), (31220, 64754), (32377, 62440)]