208449990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{110291}}^1$

素因数の和:110314

約数の個数: 64

約数和(自身を含む): 635281920

約数和(自身を除く): 426831930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 110291, 220582, 330873, 551455, 661746, 772037, 992619, 1102910, 1544074, 1654365, 1985238, 2316111, 2977857, 3308730, 3860185, 4632222, 4963095, 5955714, 6948333, 7720370, 9926190, 11580555, 13896666, 14889285, 20844999, 23161110, 29778570, 34741665, 41689998, 69483330, 104224995, 208449990]

約数ペア:

[(1, 208449990), (2, 104224995), (3, 69483330), (5, 41689998), (6, 34741665), (7, 29778570), (9, 23161110), (10, 20844999), (14, 14889285), (15, 13896666), (18, 11580555), (21, 9926190), (27, 7720370), (30, 6948333), (35, 5955714), (42, 4963095), (45, 4632222), (54, 3860185), (63, 3308730), (70, 2977857), (90, 2316111), (105, 1985238), (126, 1654365), (135, 1544074), (189, 1102910), (210, 992619), (270, 772037), (315, 661746), (378, 551455), (630, 330873), (945, 220582), (1890, 110291)]