219975910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12421}}^1$

素因数の和:12469

約数の個数: 64

約数和(自身を含む): 515165184

約数和(自身を除く): 295189274

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1265, 1610, 1771, 2530, 3542, 8855, 12421, 17710, 24842, 62105, 86947, 124210, 136631, 173894, 273262, 285683, 434735, 571366, 683155, 869470, 956417, 1366310, 1428415, 1912834, 1999781, 2856830, 3142513, 3999562, 4782085, 6285026, 9564170, 9998905, 15712565, 19997810, 21997591, 31425130, 43995182, 109987955, 219975910]

約数ペア:

[(1, 219975910), (2, 109987955), (5, 43995182), (7, 31425130), (10, 21997591), (11, 19997810), (14, 15712565), (22, 9998905), (23, 9564170), (35, 6285026), (46, 4782085), (55, 3999562), (70, 3142513), (77, 2856830), (110, 1999781), (115, 1912834), (154, 1428415), (161, 1366310), (230, 956417), (253, 869470), (322, 683155), (385, 571366), (506, 434735), (770, 285683), (805, 273262), (1265, 173894), (1610, 136631), (1771, 124210), (2530, 86947), (3542, 62105), (8855, 24842), (12421, 17710)]