189858780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7079}}^1$

素因数の和:7243

約数の個数: 72

約数和(自身を含む): 579852000

約数和(自身を除く): 389993220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6705, 7079, 8940, 13410, 14158, 21237, 26820, 28316, 35395, 42474, 63711, 70790, 84948, 106185, 127422, 141580, 212370, 254844, 318555, 424740, 637110, 1054771, 1274220, 2109542, 3164313, 4219084, 5273855, 6328626, 9492939, 10547710, 12657252, 15821565, 18985878, 21095420, 31643130, 37971756, 47464695, 63286260, 94929390, 189858780]

約数ペア:

[(1, 189858780), (2, 94929390), (3, 63286260), (4, 47464695), (5, 37971756), (6, 31643130), (9, 21095420), (10, 18985878), (12, 15821565), (15, 12657252), (18, 10547710), (20, 9492939), (30, 6328626), (36, 5273855), (45, 4219084), (60, 3164313), (90, 2109542), (149, 1274220), (180, 1054771), (298, 637110), (447, 424740), (596, 318555), (745, 254844), (894, 212370), (1341, 141580), (1490, 127422), (1788, 106185), (2235, 84948), (2682, 70790), (2980, 63711), (4470, 42474), (5364, 35395), (6705, 28316), (7079, 26820), (8940, 21237), (13410, 14158)]