205854160

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 491374800

約数和(自身を除く): 285520640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 101, 146, 202, 292, 349, 365, 404, 505, 584, 698, 730, 808, 1010, 1168, 1396, 1460, 1616, 1745, 2020, 2792, 2920, 3490, 4040, 5584, 5840, 6980, 7373, 8080, 13960, 14746, 25477, 27920, 29492, 35249, 36865, 50954, 58984, 70498, 73730, 101908, 117968, 127385, 140996, 147460, 176245, 203816, 254770, 281992, 294920, 352490, 407632, 509540, 563984, 589840, 704980, 1019080, 1409960, 2038160, 2573177, 2819920, 5146354, 10292708, 12865885, 20585416, 25731770, 41170832, 51463540, 102927080, 205854160]

約数ペア:

[(1, 205854160), (2, 102927080), (4, 51463540), (5, 41170832), (8, 25731770), (10, 20585416), (16, 12865885), (20, 10292708), (40, 5146354), (73, 2819920), (80, 2573177), (101, 2038160), (146, 1409960), (202, 1019080), (292, 704980), (349, 589840), (365, 563984), (404, 509540), (505, 407632), (584, 352490), (698, 294920), (730, 281992), (808, 254770), (1010, 203816), (1168, 176245), (1396, 147460), (1460, 140996), (1616, 127385), (1745, 117968), (2020, 101908), (2792, 73730), (2920, 70498), (3490, 58984), (4040, 50954), (5584, 36865), (5840, 35249), (6980, 29492), (7373, 27920), (8080, 25477), (13960, 14746)]