171540740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{64489}}^1$

素因数の和:64524

約数の個数: 48

約数和(自身を含む): 433372800

約数和(自身を除く): 261832060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 64489, 128978, 257956, 322445, 451423, 644890, 902846, 1225291, 1289780, 1805692, 2257115, 2450582, 4514230, 4901164, 6126455, 8577037, 9028460, 12252910, 17154074, 24505820, 34308148, 42885185, 85770370, 171540740]

約数ペア:

[(1, 171540740), (2, 85770370), (4, 42885185), (5, 34308148), (7, 24505820), (10, 17154074), (14, 12252910), (19, 9028460), (20, 8577037), (28, 6126455), (35, 4901164), (38, 4514230), (70, 2450582), (76, 2257115), (95, 1805692), (133, 1289780), (140, 1225291), (190, 902846), (266, 644890), (380, 451423), (532, 322445), (665, 257956), (1330, 128978), (2660, 64489)]