207944860

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 445398912

約数和(自身を除く): 237454052

約数列:

[1, 2, 4, 5, 10, 20, 101, 113, 202, 226, 404, 452, 505, 565, 911, 1010, 1130, 1822, 2020, 2260, 3644, 4555, 9110, 11413, 18220, 22826, 45652, 57065, 92011, 102943, 114130, 184022, 205886, 228260, 368044, 411772, 460055, 514715, 920110, 1029430, 1840220, 2058860, 10397243, 20794486, 41588972, 51986215, 103972430, 207944860]

約数ペア:

[(1, 207944860), (2, 103972430), (4, 51986215), (5, 41588972), (10, 20794486), (20, 10397243), (101, 2058860), (113, 1840220), (202, 1029430), (226, 920110), (404, 514715), (452, 460055), (505, 411772), (565, 368044), (911, 228260), (1010, 205886), (1130, 184022), (1822, 114130), (2020, 102943), (2260, 92011), (3644, 57065), (4555, 45652), (9110, 22826), (11413, 18220)]