200902400

素因数分解:

$2^8\times 5^2\times {\mathrm{31391}}^1$

素因数の和:31417

約数の個数: 54

約数和(自身を含む): 497280672

約数和(自身を除く): 296378272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 31391, 62782, 125564, 156955, 251128, 313910, 502256, 627820, 784775, 1004512, 1255640, 1569550, 2009024, 2511280, 3139100, 4018048, 5022560, 6278200, 8036096, 10045120, 12556400, 20090240, 25112800, 40180480, 50225600, 100451200, 200902400]

約数ペア:

[(1, 200902400), (2, 100451200), (4, 50225600), (5, 40180480), (8, 25112800), (10, 20090240), (16, 12556400), (20, 10045120), (25, 8036096), (32, 6278200), (40, 5022560), (50, 4018048), (64, 3139100), (80, 2511280), (100, 2009024), (128, 1569550), (160, 1255640), (200, 1004512), (256, 784775), (320, 627820), (400, 502256), (640, 313910), (800, 251128), (1280, 156955), (1600, 125564), (3200, 62782), (6400, 31391)]