204553160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4903}}^1$

素因数の和:5070

約数の個数: 64

約数和(自身を含む): 529632000

約数和(自身を除く): 325078840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 4903, 5215, 5960, 8344, 9806, 10430, 19612, 20860, 24515, 34321, 39224, 41720, 49030, 68642, 98060, 137284, 171605, 196120, 274568, 343210, 686420, 730547, 1372840, 1461094, 2922188, 3652735, 5113829, 5844376, 7305470, 10227658, 14610940, 20455316, 25569145, 29221880, 40910632, 51138290, 102276580, 204553160]

約数ペア:

[(1, 204553160), (2, 102276580), (4, 51138290), (5, 40910632), (7, 29221880), (8, 25569145), (10, 20455316), (14, 14610940), (20, 10227658), (28, 7305470), (35, 5844376), (40, 5113829), (56, 3652735), (70, 2922188), (140, 1461094), (149, 1372840), (280, 730547), (298, 686420), (596, 343210), (745, 274568), (1043, 196120), (1192, 171605), (1490, 137284), (2086, 98060), (2980, 68642), (4172, 49030), (4903, 41720), (5215, 39224), (5960, 34321), (8344, 24515), (9806, 20860), (10430, 19612)]