141228520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 355874400

約数和(自身を除く): 214645880

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 289, 323, 340, 380, 578, 643, 646, 680, 760, 1156, 1286, 1292, 1445, 1615, 2312, 2572, 2584, 2890, 3215, 3230, 5144, 5491, 5780, 6430, 6460, 10931, 10982, 11560, 12217, 12860, 12920, 21862, 21964, 24434, 25720, 27455, 43724, 43928, 48868, 54655, 54910, 61085, 87448, 97736, 109310, 109820, 122170, 185827, 207689, 218620, 219640, 244340, 371654, 415378, 437240, 488680, 743308, 830756, 929135, 1038445, 1486616, 1661512, 1858270, 2076890, 3530713, 3716540, 4153780, 7061426, 7433080, 8307560, 14122852, 17653565, 28245704, 35307130, 70614260, 141228520]

約数ペア:

[(1, 141228520), (2, 70614260), (4, 35307130), (5, 28245704), (8, 17653565), (10, 14122852), (17, 8307560), (19, 7433080), (20, 7061426), (34, 4153780), (38, 3716540), (40, 3530713), (68, 2076890), (76, 1858270), (85, 1661512), (95, 1486616), (136, 1038445), (152, 929135), (170, 830756), (190, 743308), (289, 488680), (323, 437240), (340, 415378), (380, 371654), (578, 244340), (643, 219640), (646, 218620), (680, 207689), (760, 185827), (1156, 122170), (1286, 109820), (1292, 109310), (1445, 97736), (1615, 87448), (2312, 61085), (2572, 54910), (2584, 54655), (2890, 48868), (3215, 43928), (3230, 43724), (5144, 27455), (5491, 25720), (5780, 24434), (6430, 21964), (6460, 21862), (10931, 12920), (10982, 12860), (11560, 12217)]