205458430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{7237}}^1$

素因数の和:7428

約数の個数: 32

約数和(自身を含む): 393978816

約数和(自身を除く): 188520386

約数列:

[1, 2, 5, 10, 17, 34, 85, 167, 170, 334, 835, 1670, 2839, 5678, 7237, 14195, 14474, 28390, 36185, 72370, 123029, 246058, 615145, 1208579, 1230290, 2417158, 6042895, 12085790, 20545843, 41091686, 102729215, 205458430]

約数ペア:

[(1, 205458430), (2, 102729215), (5, 41091686), (10, 20545843), (17, 12085790), (34, 6042895), (85, 2417158), (167, 1230290), (170, 1208579), (334, 615145), (835, 246058), (1670, 123029), (2839, 72370), (5678, 36185), (7237, 28390), (14195, 14474)]