74788840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7219}}^1$

素因数の和:7274

約数の個数: 64

約数和(自身を含む): 197539200

約数和(自身を除く): 122750360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 7219, 10360, 14438, 28876, 36095, 50533, 57752, 72190, 101066, 144380, 202132, 252665, 267103, 288760, 404264, 505330, 534206, 1010660, 1068412, 1335515, 1869721, 2021320, 2136824, 2671030, 3739442, 5342060, 7478884, 9348605, 10684120, 14957768, 18697210, 37394420, 74788840]

約数ペア:

[(1, 74788840), (2, 37394420), (4, 18697210), (5, 14957768), (7, 10684120), (8, 9348605), (10, 7478884), (14, 5342060), (20, 3739442), (28, 2671030), (35, 2136824), (37, 2021320), (40, 1869721), (56, 1335515), (70, 1068412), (74, 1010660), (140, 534206), (148, 505330), (185, 404264), (259, 288760), (280, 267103), (296, 252665), (370, 202132), (518, 144380), (740, 101066), (1036, 72190), (1295, 57752), (1480, 50533), (2072, 36095), (2590, 28876), (5180, 14438), (7219, 10360)]