168432860

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 359009280

約数和(自身を除く): 190576420

約数列:

[1, 2, 4, 5, 10, 20, 167, 211, 239, 334, 422, 478, 668, 835, 844, 956, 1055, 1195, 1670, 2110, 2390, 3340, 4220, 4780, 35237, 39913, 50429, 70474, 79826, 100858, 140948, 159652, 176185, 199565, 201716, 252145, 352370, 399130, 504290, 704740, 798260, 1008580, 8421643, 16843286, 33686572, 42108215, 84216430, 168432860]

約数ペア:

[(1, 168432860), (2, 84216430), (4, 42108215), (5, 33686572), (10, 16843286), (20, 8421643), (167, 1008580), (211, 798260), (239, 704740), (334, 504290), (422, 399130), (478, 352370), (668, 252145), (835, 201716), (844, 199565), (956, 176185), (1055, 159652), (1195, 140948), (1670, 100858), (2110, 79826), (2390, 70474), (3340, 50429), (4220, 39913), (4780, 35237)]