400997144

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{5021}}^1$

素因数の和:5243

約数の個数: 32

約数和(自身を含む): 768366000

約数和(自身を除く): 367368856

約数列:

[1, 2, 4, 8, 67, 134, 149, 268, 298, 536, 596, 1192, 5021, 9983, 10042, 19966, 20084, 39932, 40168, 79864, 336407, 672814, 748129, 1345628, 1496258, 2691256, 2992516, 5985032, 50124643, 100249286, 200498572, 400997144]

約数ペア:

[(1, 400997144), (2, 200498572), (4, 100249286), (8, 50124643), (67, 5985032), (134, 2992516), (149, 2691256), (268, 1496258), (298, 1345628), (536, 748129), (596, 672814), (1192, 336407), (5021, 79864), (9983, 40168), (10042, 39932), (19966, 20084)]