400987708

素因数分解:

$2^2\times {\mathrm{11}}^4\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:256

約数の個数: 60

約数和(自身を含む): 795458160

約数和(自身を除く): 394470452

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 167, 242, 334, 451, 484, 668, 902, 1331, 1804, 1837, 2662, 3674, 4961, 5324, 6847, 7348, 9922, 13694, 14641, 19844, 20207, 27388, 29282, 40414, 54571, 58564, 75317, 80828, 109142, 150634, 218284, 222277, 301268, 444554, 600281, 828487, 889108, 1200562, 1656974, 2401124, 2445047, 3313948, 4890094, 9113357, 9780188, 18226714, 36453428, 100246927, 200493854, 400987708]

約数ペア:

[(1, 400987708), (2, 200493854), (4, 100246927), (11, 36453428), (22, 18226714), (41, 9780188), (44, 9113357), (82, 4890094), (121, 3313948), (164, 2445047), (167, 2401124), (242, 1656974), (334, 1200562), (451, 889108), (484, 828487), (668, 600281), (902, 444554), (1331, 301268), (1804, 222277), (1837, 218284), (2662, 150634), (3674, 109142), (4961, 80828), (5324, 75317), (6847, 58564), (7348, 54571), (9922, 40414), (13694, 29282), (14641, 27388), (19844, 20207)]