205296710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{16127}}^1$

素因数の和:16220

約数の個数: 32

約数和(自身を含む): 394813440

約数和(自身を除く): 189516730

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 2546, 6365, 12730, 16127, 32254, 80635, 161270, 306413, 612826, 1080509, 1532065, 2161018, 3064130, 5402545, 10805090, 20529671, 41059342, 102648355, 205296710]

約数ペア:

[(1, 205296710), (2, 102648355), (5, 41059342), (10, 20529671), (19, 10805090), (38, 5402545), (67, 3064130), (95, 2161018), (134, 1532065), (190, 1080509), (335, 612826), (670, 306413), (1273, 161270), (2546, 80635), (6365, 32254), (12730, 16127)]