2782990520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{9743}}^1$

素因数の和:9984

約数の個数: 64

約数和(自身を含む): 6464949120

約数和(自身を除く): 3681958600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 193, 296, 370, 386, 740, 772, 965, 1480, 1544, 1930, 3860, 7141, 7720, 9743, 14282, 19486, 28564, 35705, 38972, 48715, 57128, 71410, 77944, 97430, 142820, 194860, 285640, 360491, 389720, 720982, 1441964, 1802455, 1880399, 2883928, 3604910, 3760798, 7209820, 7521596, 9401995, 14419640, 15043192, 18803990, 37607980, 69574763, 75215960, 139149526, 278299052, 347873815, 556598104, 695747630, 1391495260, 2782990520]

約数ペア:

[(1, 2782990520), (2, 1391495260), (4, 695747630), (5, 556598104), (8, 347873815), (10, 278299052), (20, 139149526), (37, 75215960), (40, 69574763), (74, 37607980), (148, 18803990), (185, 15043192), (193, 14419640), (296, 9401995), (370, 7521596), (386, 7209820), (740, 3760798), (772, 3604910), (965, 2883928), (1480, 1880399), (1544, 1802455), (1930, 1441964), (3860, 720982), (7141, 389720), (7720, 360491), (9743, 285640), (14282, 194860), (19486, 142820), (28564, 97430), (35705, 77944), (38972, 71410), (48715, 57128)]