100450400

素因数分解:

$2^5\times 5^2\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:736

約数の個数: 72

約数和(自身を含む): 246624840

約数和(自身を除く): 146174440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 307, 400, 409, 614, 800, 818, 1228, 1535, 1636, 2045, 2456, 3070, 3272, 4090, 4912, 6140, 6544, 7675, 8180, 9824, 10225, 12280, 13088, 15350, 16360, 20450, 24560, 30700, 32720, 40900, 49120, 61400, 65440, 81800, 122800, 125563, 163600, 245600, 251126, 327200, 502252, 627815, 1004504, 1255630, 2009008, 2511260, 3139075, 4018016, 5022520, 6278150, 10045040, 12556300, 20090080, 25112600, 50225200, 100450400]

約数ペア:

[(1, 100450400), (2, 50225200), (4, 25112600), (5, 20090080), (8, 12556300), (10, 10045040), (16, 6278150), (20, 5022520), (25, 4018016), (32, 3139075), (40, 2511260), (50, 2009008), (80, 1255630), (100, 1004504), (160, 627815), (200, 502252), (307, 327200), (400, 251126), (409, 245600), (614, 163600), (800, 125563), (818, 122800), (1228, 81800), (1535, 65440), (1636, 61400), (2045, 49120), (2456, 40900), (3070, 32720), (3272, 30700), (4090, 24560), (4912, 20450), (6140, 16360), (6544, 15350), (7675, 13088), (8180, 12280), (9824, 10225)]