251985390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{6959}}^1$

素因数の和:7057

約数の個数: 64

約数和(自身を含む): 649451520

約数和(自身を除く): 397466130

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 71, 85, 102, 142, 170, 213, 255, 355, 426, 510, 710, 1065, 1207, 2130, 2414, 3621, 6035, 6959, 7242, 12070, 13918, 18105, 20877, 34795, 36210, 41754, 69590, 104385, 118303, 208770, 236606, 354909, 494089, 591515, 709818, 988178, 1183030, 1482267, 1774545, 2470445, 2964534, 3549090, 4940890, 7411335, 8399513, 14822670, 16799026, 25198539, 41997565, 50397078, 83995130, 125992695, 251985390]

約数ペア:

[(1, 251985390), (2, 125992695), (3, 83995130), (5, 50397078), (6, 41997565), (10, 25198539), (15, 16799026), (17, 14822670), (30, 8399513), (34, 7411335), (51, 4940890), (71, 3549090), (85, 2964534), (102, 2470445), (142, 1774545), (170, 1482267), (213, 1183030), (255, 988178), (355, 709818), (426, 591515), (510, 494089), (710, 354909), (1065, 236606), (1207, 208770), (2130, 118303), (2414, 104385), (3621, 69590), (6035, 41754), (6959, 36210), (7242, 34795), (12070, 20877), (13918, 18105)]