204838400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1272

約数の個数: 120

約数和(自身を含む): 546985824

約数和(自身を除く): 342147424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 1040, 1231, 1280, 1300, 1600, 1664, 2080, 2462, 2560, 2600, 3200, 3328, 4160, 4924, 5200, 6155, 6400, 6656, 8320, 9848, 10400, 12310, 12800, 16003, 16640, 19696, 20800, 24620, 30775, 32006, 33280, 39392, 41600, 49240, 61550, 64012, 78784, 80015, 83200, 98480, 123100, 128024, 157568, 160030, 166400, 196960, 246200, 256048, 315136, 320060, 393920, 400075, 492400, 512096, 630272, 640120, 787840, 800150, 984800, 1024192, 1280240, 1575680, 1600300, 1969600, 2048384, 2560480, 3151360, 3200600, 3939200, 4096768, 5120960, 6401200, 7878400, 8193536, 10241920, 12802400, 15756800, 20483840, 25604800, 40967680, 51209600, 102419200, 204838400]

約数ペア:

[(1, 204838400), (2, 102419200), (4, 51209600), (5, 40967680), (8, 25604800), (10, 20483840), (13, 15756800), (16, 12802400), (20, 10241920), (25, 8193536), (26, 7878400), (32, 6401200), (40, 5120960), (50, 4096768), (52, 3939200), (64, 3200600), (65, 3151360), (80, 2560480), (100, 2048384), (104, 1969600), (128, 1600300), (130, 1575680), (160, 1280240), (200, 1024192), (208, 984800), (256, 800150), (260, 787840), (320, 640120), (325, 630272), (400, 512096), (416, 492400), (512, 400075), (520, 393920), (640, 320060), (650, 315136), (800, 256048), (832, 246200), (1040, 196960), (1231, 166400), (1280, 160030), (1300, 157568), (1600, 128024), (1664, 123100), (2080, 98480), (2462, 83200), (2560, 80015), (2600, 78784), (3200, 64012), (3328, 61550), (4160, 49240), (4924, 41600), (5200, 39392), (6155, 33280), (6400, 32006), (6656, 30775), (8320, 24620), (9848, 20800), (10400, 19696), (12310, 16640), (12800, 16003)]