221489770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1531}}^1$

素因数の和:1615

約数の個数: 64

約数和(自身を含む): 452687616

約数和(自身を除く): 231197846

約数列:

[1, 2, 5, 10, 17, 23, 34, 37, 46, 74, 85, 115, 170, 185, 230, 370, 391, 629, 782, 851, 1258, 1531, 1702, 1955, 3062, 3145, 3910, 4255, 6290, 7655, 8510, 14467, 15310, 26027, 28934, 35213, 52054, 56647, 70426, 72335, 113294, 130135, 144670, 176065, 260270, 283235, 352130, 566470, 598621, 962999, 1197242, 1302881, 1925998, 2605762, 2993105, 4814995, 5986210, 6514405, 9629990, 13028810, 22148977, 44297954, 110744885, 221489770]

約数ペア:

[(1, 221489770), (2, 110744885), (5, 44297954), (10, 22148977), (17, 13028810), (23, 9629990), (34, 6514405), (37, 5986210), (46, 4814995), (74, 2993105), (85, 2605762), (115, 1925998), (170, 1302881), (185, 1197242), (230, 962999), (370, 598621), (391, 566470), (629, 352130), (782, 283235), (851, 260270), (1258, 176065), (1531, 144670), (1702, 130135), (1955, 113294), (3062, 72335), (3145, 70426), (3910, 56647), (4255, 52054), (6290, 35213), (7655, 28934), (8510, 26027), (14467, 15310)]