22077340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 47779200

約数和(自身を除く): 25701860

約数列:

[1, 2, 4, 5, 10, 20, 79, 89, 157, 158, 178, 314, 316, 356, 395, 445, 628, 785, 790, 890, 1570, 1580, 1780, 3140, 7031, 12403, 13973, 14062, 24806, 27946, 28124, 35155, 49612, 55892, 62015, 69865, 70310, 124030, 139730, 140620, 248060, 279460, 1103867, 2207734, 4415468, 5519335, 11038670, 22077340]

約数ペア:

[(1, 22077340), (2, 11038670), (4, 5519335), (5, 4415468), (10, 2207734), (20, 1103867), (79, 279460), (89, 248060), (157, 140620), (158, 139730), (178, 124030), (314, 70310), (316, 69865), (356, 62015), (395, 55892), (445, 49612), (628, 35155), (785, 28124), (790, 27946), (890, 24806), (1570, 14062), (1580, 13973), (1780, 12403), (3140, 7031)]