400892668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4451}}^1$

素因数の和:4578

約数の個数: 48

約数和(自身を含む): 807770880

約数和(自身を除く): 406878212

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 89, 92, 178, 253, 356, 506, 979, 1012, 1958, 2047, 3916, 4094, 4451, 8188, 8902, 17804, 22517, 45034, 48961, 90068, 97922, 102373, 195844, 204746, 396139, 409492, 792278, 1126103, 1584556, 2252206, 4357529, 4504412, 8715058, 9111197, 17430116, 18222394, 36444788, 100223167, 200446334, 400892668]

約数ペア:

[(1, 400892668), (2, 200446334), (4, 100223167), (11, 36444788), (22, 18222394), (23, 17430116), (44, 9111197), (46, 8715058), (89, 4504412), (92, 4357529), (178, 2252206), (253, 1584556), (356, 1126103), (506, 792278), (979, 409492), (1012, 396139), (1958, 204746), (2047, 195844), (3916, 102373), (4094, 97922), (4451, 90068), (8188, 48961), (8902, 45034), (17804, 22517)]