221311360

素因数分解:

$2^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5861}}^1$

素因数の和:5939

約数の個数: 64

約数和(自身を含む): 538131600

約数和(自身を除く): 316820240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 295, 320, 472, 590, 640, 944, 1180, 1888, 2360, 3776, 4720, 5861, 7552, 9440, 11722, 18880, 23444, 29305, 37760, 46888, 58610, 93776, 117220, 187552, 234440, 345799, 375104, 468880, 691598, 750208, 937760, 1383196, 1728995, 1875520, 2766392, 3457990, 3751040, 5532784, 6915980, 11065568, 13831960, 22131136, 27663920, 44262272, 55327840, 110655680, 221311360]

約数ペア:

[(1, 221311360), (2, 110655680), (4, 55327840), (5, 44262272), (8, 27663920), (10, 22131136), (16, 13831960), (20, 11065568), (32, 6915980), (40, 5532784), (59, 3751040), (64, 3457990), (80, 2766392), (118, 1875520), (128, 1728995), (160, 1383196), (236, 937760), (295, 750208), (320, 691598), (472, 468880), (590, 375104), (640, 345799), (944, 234440), (1180, 187552), (1888, 117220), (2360, 93776), (3776, 58610), (4720, 46888), (5861, 37760), (7552, 29305), (9440, 23444), (11722, 18880)]