205125830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{523}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 456357888

約数和(自身を除く): 251232058

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 431, 455, 523, 862, 910, 1046, 2155, 2615, 3017, 3661, 4310, 5230, 5603, 6034, 6799, 7322, 11206, 13598, 15085, 18305, 28015, 30170, 33995, 36610, 39221, 47593, 56030, 67990, 78442, 95186, 196105, 225413, 237965, 392210, 450826, 475930, 1127065, 1577891, 2254130, 2930369, 3155782, 5860738, 7889455, 14651845, 15778910, 20512583, 29303690, 41025166, 102562915, 205125830]

約数ペア:

[(1, 205125830), (2, 102562915), (5, 41025166), (7, 29303690), (10, 20512583), (13, 15778910), (14, 14651845), (26, 7889455), (35, 5860738), (65, 3155782), (70, 2930369), (91, 2254130), (130, 1577891), (182, 1127065), (431, 475930), (455, 450826), (523, 392210), (862, 237965), (910, 225413), (1046, 196105), (2155, 95186), (2615, 78442), (3017, 67990), (3661, 56030), (4310, 47593), (5230, 39221), (5603, 36610), (6034, 33995), (6799, 30170), (7322, 28015), (11206, 18305), (13598, 15085)]