31063720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 72777600

約数和(自身を除く): 41713880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 139, 148, 151, 185, 278, 296, 302, 370, 556, 604, 695, 740, 755, 1112, 1208, 1390, 1480, 1510, 2780, 3020, 5143, 5560, 5587, 6040, 10286, 11174, 20572, 20989, 22348, 25715, 27935, 41144, 41978, 44696, 51430, 55870, 83956, 102860, 104945, 111740, 167912, 205720, 209890, 223480, 419780, 776593, 839560, 1553186, 3106372, 3882965, 6212744, 7765930, 15531860, 31063720]

約数ペア:

[(1, 31063720), (2, 15531860), (4, 7765930), (5, 6212744), (8, 3882965), (10, 3106372), (20, 1553186), (37, 839560), (40, 776593), (74, 419780), (139, 223480), (148, 209890), (151, 205720), (185, 167912), (278, 111740), (296, 104945), (302, 102860), (370, 83956), (556, 55870), (604, 51430), (695, 44696), (740, 41978), (755, 41144), (1112, 27935), (1208, 25715), (1390, 22348), (1480, 20989), (1510, 20572), (2780, 11174), (3020, 10286), (5143, 6040), (5560, 5587)]