291270492860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2137}}^1\times {\mathrm{358681}}^1$

素因数の和:360846

約数の個数: 48

約数和(自身を含む): 644164177440

約数和(自身を除く): 352893684580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2137, 4274, 8548, 10685, 21370, 40603, 42740, 81206, 162412, 203015, 358681, 406030, 717362, 812060, 1434724, 1793405, 3586810, 6814939, 7173620, 13629878, 27259756, 34074695, 68149390, 136298780, 766501297, 1533002594, 3066005188, 3832506485, 7665012970, 14563524643, 15330025940, 29127049286, 58254098572, 72817623215, 145635246430, 291270492860]

約数ペア:

[(1, 291270492860), (2, 145635246430), (4, 72817623215), (5, 58254098572), (10, 29127049286), (19, 15330025940), (20, 14563524643), (38, 7665012970), (76, 3832506485), (95, 3066005188), (190, 1533002594), (380, 766501297), (2137, 136298780), (4274, 68149390), (8548, 34074695), (10685, 27259756), (21370, 13629878), (40603, 7173620), (42740, 6814939), (81206, 3586810), (162412, 1793405), (203015, 1434724), (358681, 812060), (406030, 717362)]