209969210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1$

素因数の和:2471

約数の個数: 64

約数和(自身を含む): 446031360

約数和(自身を除く): 236062150

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 47, 55, 85, 94, 110, 170, 187, 235, 374, 470, 517, 799, 935, 1034, 1598, 1870, 2389, 2585, 3995, 4778, 5170, 7990, 8789, 11945, 17578, 23890, 26279, 40613, 43945, 52558, 81226, 87890, 112283, 131395, 203065, 224566, 262790, 406130, 446743, 561415, 893486, 1122830, 1235113, 1908811, 2233715, 2470226, 3817622, 4467430, 6175565, 9544055, 12351130, 19088110, 20996921, 41993842, 104984605, 209969210]

約数ペア:

[(1, 209969210), (2, 104984605), (5, 41993842), (10, 20996921), (11, 19088110), (17, 12351130), (22, 9544055), (34, 6175565), (47, 4467430), (55, 3817622), (85, 2470226), (94, 2233715), (110, 1908811), (170, 1235113), (187, 1122830), (235, 893486), (374, 561415), (470, 446743), (517, 406130), (799, 262790), (935, 224566), (1034, 203065), (1598, 131395), (1870, 112283), (2389, 87890), (2585, 81226), (3995, 52558), (4778, 43945), (5170, 40613), (7990, 26279), (8789, 23890), (11945, 17578)]