140056730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 283668480

約数和(自身を除く): 143611750

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 79, 110, 142, 158, 227, 355, 395, 454, 710, 781, 790, 869, 1135, 1562, 1738, 2270, 2497, 3905, 4345, 4994, 5609, 7810, 8690, 11218, 12485, 16117, 17933, 24970, 28045, 32234, 35866, 56090, 61699, 80585, 89665, 123398, 161170, 177287, 179330, 197263, 308495, 354574, 394526, 616990, 886435, 986315, 1273243, 1772870, 1972630, 2546486, 6366215, 12732430, 14005673, 28011346, 70028365, 140056730]

約数ペア:

[(1, 140056730), (2, 70028365), (5, 28011346), (10, 14005673), (11, 12732430), (22, 6366215), (55, 2546486), (71, 1972630), (79, 1772870), (110, 1273243), (142, 986315), (158, 886435), (227, 616990), (355, 394526), (395, 354574), (454, 308495), (710, 197263), (781, 179330), (790, 177287), (869, 161170), (1135, 123398), (1562, 89665), (1738, 80585), (2270, 61699), (2497, 56090), (3905, 35866), (4345, 32234), (4994, 28045), (5609, 24970), (7810, 17933), (8690, 16117), (11218, 12485)]