849578740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1\times {\mathrm{2719}}^1$

素因数の和:3664

約数の個数: 48

約数和(自身を含む): 1891814400

約数和(自身を除く): 1042235660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 919, 1838, 2719, 3676, 4595, 5438, 9190, 10876, 13595, 15623, 18380, 27190, 31246, 46223, 54380, 62492, 78115, 92446, 156230, 184892, 231115, 312460, 462230, 924460, 2498761, 4997522, 9995044, 12493805, 24987610, 42478937, 49975220, 84957874, 169915748, 212394685, 424789370, 849578740]

約数ペア:

[(1, 849578740), (2, 424789370), (4, 212394685), (5, 169915748), (10, 84957874), (17, 49975220), (20, 42478937), (34, 24987610), (68, 12493805), (85, 9995044), (170, 4997522), (340, 2498761), (919, 924460), (1838, 462230), (2719, 312460), (3676, 231115), (4595, 184892), (5438, 156230), (9190, 92446), (10876, 78115), (13595, 62492), (15623, 54380), (18380, 46223), (27190, 31246)]