306317080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1489}}^1$

素因数の和:1676

約数の個数: 64

約数和(自身を含む): 713412000

約数和(自身を除く): 407094920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 139, 148, 185, 278, 296, 370, 556, 695, 740, 1112, 1390, 1480, 1489, 2780, 2978, 5143, 5560, 5956, 7445, 10286, 11912, 14890, 20572, 25715, 29780, 41144, 51430, 55093, 59560, 102860, 110186, 205720, 206971, 220372, 275465, 413942, 440744, 550930, 827884, 1034855, 1101860, 1655768, 2069710, 2203720, 4139420, 7657927, 8278840, 15315854, 30631708, 38289635, 61263416, 76579270, 153158540, 306317080]

約数ペア:

[(1, 306317080), (2, 153158540), (4, 76579270), (5, 61263416), (8, 38289635), (10, 30631708), (20, 15315854), (37, 8278840), (40, 7657927), (74, 4139420), (139, 2203720), (148, 2069710), (185, 1655768), (278, 1101860), (296, 1034855), (370, 827884), (556, 550930), (695, 440744), (740, 413942), (1112, 275465), (1390, 220372), (1480, 206971), (1489, 205720), (2780, 110186), (2978, 102860), (5143, 59560), (5560, 55093), (5956, 51430), (7445, 41144), (10286, 29780), (11912, 25715), (14890, 20572)]