99557720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1297}}^1$

素因数の和:1428

約数の個数: 64

約数和(自身を含む): 238312800

約数和(自身を除く): 138755080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 760, 808, 1010, 1297, 1919, 2020, 2594, 3838, 4040, 5188, 6485, 7676, 9595, 10376, 12970, 15352, 19190, 24643, 25940, 38380, 49286, 51880, 76760, 98572, 123215, 130997, 197144, 246430, 261994, 492860, 523988, 654985, 985720, 1047976, 1309970, 2488943, 2619940, 4977886, 5239880, 9955772, 12444715, 19911544, 24889430, 49778860, 99557720]

約数ペア:

[(1, 99557720), (2, 49778860), (4, 24889430), (5, 19911544), (8, 12444715), (10, 9955772), (19, 5239880), (20, 4977886), (38, 2619940), (40, 2488943), (76, 1309970), (95, 1047976), (101, 985720), (152, 654985), (190, 523988), (202, 492860), (380, 261994), (404, 246430), (505, 197144), (760, 130997), (808, 123215), (1010, 98572), (1297, 76760), (1919, 51880), (2020, 49286), (2594, 38380), (3838, 25940), (4040, 24643), (5188, 19190), (6485, 15352), (7676, 12970), (9595, 10376)]