209901890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{112247}}^1$

素因数の和:112282

約数の個数: 32

約数和(自身を含む): 436420224

約数和(自身を除く): 226518334

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 112247, 224494, 561235, 1122470, 1234717, 1908199, 2469434, 3816398, 6173585, 9540995, 12347170, 19081990, 20990189, 41980378, 104950945, 209901890]

約数ペア:

[(1, 209901890), (2, 104950945), (5, 41980378), (10, 20990189), (11, 19081990), (17, 12347170), (22, 9540995), (34, 6173585), (55, 3816398), (85, 2469434), (110, 1908199), (170, 1234717), (187, 1122470), (374, 561235), (935, 224494), (1870, 112247)]