209869480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1531}}^1$

素因数の和:1714

約数の個数: 64

約数和(自身を含む): 496368000

約数和(自身を除く): 286498520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 149, 184, 230, 298, 460, 596, 745, 920, 1192, 1490, 1531, 2980, 3062, 3427, 5960, 6124, 6854, 7655, 12248, 13708, 15310, 17135, 27416, 30620, 34270, 35213, 61240, 68540, 70426, 137080, 140852, 176065, 228119, 281704, 352130, 456238, 704260, 912476, 1140595, 1408520, 1824952, 2281190, 4562380, 5246737, 9124760, 10493474, 20986948, 26233685, 41973896, 52467370, 104934740, 209869480]

約数ペア:

[(1, 209869480), (2, 104934740), (4, 52467370), (5, 41973896), (8, 26233685), (10, 20986948), (20, 10493474), (23, 9124760), (40, 5246737), (46, 4562380), (92, 2281190), (115, 1824952), (149, 1408520), (184, 1140595), (230, 912476), (298, 704260), (460, 456238), (596, 352130), (745, 281704), (920, 228119), (1192, 176065), (1490, 140852), (1531, 137080), (2980, 70426), (3062, 68540), (3427, 61240), (5960, 35213), (6124, 34270), (6854, 30620), (7655, 27416), (12248, 17135), (13708, 15310)]