208187320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15263}}^1$

素因数の和:15316

約数の個数: 64

約数和(自身を含む): 527523840

約数和(自身を除く): 319336520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 15263, 30526, 61052, 76315, 122104, 152630, 167893, 305260, 335786, 473153, 610520, 671572, 839465, 946306, 1343144, 1678930, 1892612, 2365765, 3357860, 3785224, 4731530, 5204683, 6715720, 9463060, 10409366, 18926120, 20818732, 26023415, 41637464, 52046830, 104093660, 208187320]

約数ペア:

[(1, 208187320), (2, 104093660), (4, 52046830), (5, 41637464), (8, 26023415), (10, 20818732), (11, 18926120), (20, 10409366), (22, 9463060), (31, 6715720), (40, 5204683), (44, 4731530), (55, 3785224), (62, 3357860), (88, 2365765), (110, 1892612), (124, 1678930), (155, 1343144), (220, 946306), (248, 839465), (310, 671572), (341, 610520), (440, 473153), (620, 335786), (682, 305260), (1240, 167893), (1364, 152630), (1705, 122104), (2728, 76315), (3410, 61052), (6820, 30526), (13640, 15263)]