200902180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{479}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 430456320

約数和(自身を除く): 229554140

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 313, 335, 479, 626, 670, 958, 1252, 1340, 1565, 1916, 2395, 3130, 4790, 6260, 9580, 20971, 32093, 41942, 64186, 83884, 104855, 128372, 149927, 160465, 209710, 299854, 320930, 419420, 599708, 641860, 749635, 1499270, 2998540, 10045109, 20090218, 40180436, 50225545, 100451090, 200902180]

約数ペア:

[(1, 200902180), (2, 100451090), (4, 50225545), (5, 40180436), (10, 20090218), (20, 10045109), (67, 2998540), (134, 1499270), (268, 749635), (313, 641860), (335, 599708), (479, 419420), (626, 320930), (670, 299854), (958, 209710), (1252, 160465), (1340, 149927), (1565, 128372), (1916, 104855), (2395, 83884), (3130, 64186), (4790, 41942), (6260, 32093), (9580, 20971)]