2004455985

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{317}}^1\times {\mathrm{1229}}^1$

素因数の和:1575

約数の個数: 64

約数和(自身を含む): 3754944000

約数和(自身を除く): 1750488015

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 317, 343, 735, 951, 1029, 1229, 1585, 1715, 2219, 3687, 4755, 5145, 6145, 6657, 8603, 11095, 15533, 18435, 25809, 33285, 43015, 46599, 60221, 77665, 108731, 129045, 180663, 232995, 301105, 326193, 389593, 421547, 543655, 903315, 1168779, 1264641, 1630965, 1947965, 2107735, 2727151, 5843895, 6323205, 8181453, 13635755, 19090057, 40907265, 57270171, 95450285, 133630399, 286350855, 400891197, 668151995, 2004455985]

約数ペア:

[(1, 2004455985), (3, 668151995), (5, 400891197), (7, 286350855), (15, 133630399), (21, 95450285), (35, 57270171), (49, 40907265), (105, 19090057), (147, 13635755), (245, 8181453), (317, 6323205), (343, 5843895), (735, 2727151), (951, 2107735), (1029, 1947965), (1229, 1630965), (1585, 1264641), (1715, 1168779), (2219, 903315), (3687, 543655), (4755, 421547), (5145, 389593), (6145, 326193), (6657, 301105), (8603, 232995), (11095, 180663), (15533, 129045), (18435, 108731), (25809, 77665), (33285, 60221), (43015, 46599)]