401070928

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 838874880

約数和(自身を除く): 437803952

約数列:

[1, 2, 4, 8, 16, 29, 47, 53, 58, 94, 106, 116, 188, 212, 232, 347, 376, 424, 464, 694, 752, 848, 1363, 1388, 1537, 2491, 2726, 2776, 3074, 4982, 5452, 5552, 6148, 9964, 10063, 10904, 12296, 16309, 18391, 19928, 20126, 21808, 24592, 32618, 36782, 39856, 40252, 65236, 72239, 73564, 80504, 130472, 144478, 147128, 161008, 260944, 288956, 294256, 472961, 533339, 577912, 864377, 945922, 1066678, 1155824, 1728754, 1891844, 2133356, 3457508, 3783688, 4266712, 6915016, 7567376, 8533424, 13830032, 25066933, 50133866, 100267732, 200535464, 401070928]

約数ペア:

[(1, 401070928), (2, 200535464), (4, 100267732), (8, 50133866), (16, 25066933), (29, 13830032), (47, 8533424), (53, 7567376), (58, 6915016), (94, 4266712), (106, 3783688), (116, 3457508), (188, 2133356), (212, 1891844), (232, 1728754), (347, 1155824), (376, 1066678), (424, 945922), (464, 864377), (694, 577912), (752, 533339), (848, 472961), (1363, 294256), (1388, 288956), (1537, 260944), (2491, 161008), (2726, 147128), (2776, 144478), (3074, 130472), (4982, 80504), (5452, 73564), (5552, 72239), (6148, 65236), (9964, 40252), (10063, 39856), (10904, 36782), (12296, 32618), (16309, 24592), (18391, 21808), (19928, 20126)]