222996920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{15443}}^1$

素因数の和:15492

約数の個数: 48

約数和(自身を含む): 529574760

約数和(自身を除く): 306577840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 15443, 30886, 61772, 77215, 123544, 154430, 293417, 308860, 586834, 617720, 1173668, 1467085, 2347336, 2934170, 5574923, 5868340, 11149846, 11736680, 22299692, 27874615, 44599384, 55749230, 111498460, 222996920]

約数ペア:

[(1, 222996920), (2, 111498460), (4, 55749230), (5, 44599384), (8, 27874615), (10, 22299692), (19, 11736680), (20, 11149846), (38, 5868340), (40, 5574923), (76, 2934170), (95, 2347336), (152, 1467085), (190, 1173668), (361, 617720), (380, 586834), (722, 308860), (760, 293417), (1444, 154430), (1805, 123544), (2888, 77215), (3610, 61772), (7220, 30886), (14440, 15443)]