209092010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{1987}}^1$

素因数の和:2630

約数の個数: 32

約数和(自身を含む): 399349440

約数和(自身を除く): 190257430

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 619, 1238, 1987, 3095, 3974, 6190, 9935, 10523, 19870, 21046, 33779, 52615, 67558, 105230, 168895, 337790, 1229953, 2459906, 6149765, 12299530, 20909201, 41818402, 104546005, 209092010]

約数ペア:

[(1, 209092010), (2, 104546005), (5, 41818402), (10, 20909201), (17, 12299530), (34, 6149765), (85, 2459906), (170, 1229953), (619, 337790), (1238, 168895), (1987, 105230), (3095, 67558), (3974, 52615), (6190, 33779), (9935, 21046), (10523, 19870)]