248417080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 571392000

約数和(自身を除く): 322974920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 127, 158, 254, 316, 395, 508, 619, 632, 635, 790, 1016, 1238, 1270, 1580, 2476, 2540, 3095, 3160, 4952, 5080, 6190, 10033, 12380, 20066, 24760, 40132, 48901, 50165, 78613, 80264, 97802, 100330, 157226, 195604, 200660, 244505, 314452, 391208, 393065, 401320, 489010, 628904, 786130, 978020, 1572260, 1956040, 3144520, 6210427, 12420854, 24841708, 31052135, 49683416, 62104270, 124208540, 248417080]

約数ペア:

[(1, 248417080), (2, 124208540), (4, 62104270), (5, 49683416), (8, 31052135), (10, 24841708), (20, 12420854), (40, 6210427), (79, 3144520), (127, 1956040), (158, 1572260), (254, 978020), (316, 786130), (395, 628904), (508, 489010), (619, 401320), (632, 393065), (635, 391208), (790, 314452), (1016, 244505), (1238, 200660), (1270, 195604), (1580, 157226), (2476, 100330), (2540, 97802), (3095, 80264), (3160, 78613), (4952, 50165), (5080, 48901), (6190, 40132), (10033, 24760), (12380, 20066)]