8469340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 19613664

約数和(自身を除く): 11144324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 281, 548, 562, 685, 1124, 1370, 1405, 1507, 2740, 2810, 3014, 3091, 5620, 6028, 6182, 7535, 12364, 15070, 15455, 30140, 30910, 38497, 61820, 76994, 153988, 192485, 384970, 423467, 769940, 846934, 1693868, 2117335, 4234670, 8469340]

約数ペア:

[(1, 8469340), (2, 4234670), (4, 2117335), (5, 1693868), (10, 846934), (11, 769940), (20, 423467), (22, 384970), (44, 192485), (55, 153988), (110, 76994), (137, 61820), (220, 38497), (274, 30910), (281, 30140), (548, 15455), (562, 15070), (685, 12364), (1124, 7535), (1370, 6182), (1405, 6028), (1507, 5620), (2740, 3091), (2810, 3014)]