169435240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1999}}^1$

素因数の和:2186

約数の個数: 64

約数和(自身を含む): 413280000

約数和(自身を除く): 243844760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 520, 652, 815, 1304, 1630, 1999, 2119, 3260, 3998, 4238, 6520, 7996, 8476, 9995, 10595, 15992, 16952, 19990, 21190, 25987, 39980, 42380, 51974, 79960, 84760, 103948, 129935, 207896, 259870, 325837, 519740, 651674, 1039480, 1303348, 1629185, 2606696, 3258370, 4235881, 6516740, 8471762, 13033480, 16943524, 21179405, 33887048, 42358810, 84717620, 169435240]

約数ペア:

[(1, 169435240), (2, 84717620), (4, 42358810), (5, 33887048), (8, 21179405), (10, 16943524), (13, 13033480), (20, 8471762), (26, 6516740), (40, 4235881), (52, 3258370), (65, 2606696), (104, 1629185), (130, 1303348), (163, 1039480), (260, 651674), (326, 519740), (520, 325837), (652, 259870), (815, 207896), (1304, 129935), (1630, 103948), (1999, 84760), (2119, 79960), (3260, 51974), (3998, 42380), (4238, 39980), (6520, 25987), (7996, 21190), (8476, 19990), (9995, 16952), (10595, 15992)]