340454090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{7901}}^1$

素因数の和:8078

約数の個数: 32

約数和(自身を含む): 637217280

約数和(自身を除く): 296763190

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 1390, 4309, 7901, 8618, 15802, 21545, 39505, 43090, 79010, 244931, 489862, 1098239, 1224655, 2196478, 2449310, 5491195, 10982390, 34045409, 68090818, 170227045, 340454090]

約数ペア:

[(1, 340454090), (2, 170227045), (5, 68090818), (10, 34045409), (31, 10982390), (62, 5491195), (139, 2449310), (155, 2196478), (278, 1224655), (310, 1098239), (695, 489862), (1390, 244931), (4309, 79010), (7901, 43090), (8618, 39505), (15802, 21545)]