6646578740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{219649}}^1$

素因数の和:219764

約数の個数: 48

約数和(自身を含む): 14944986000

約数和(自身を除く): 8298407260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 6052, 7565, 15130, 30260, 219649, 439298, 878596, 1098245, 2196490, 3734033, 4392980, 7468066, 14936132, 18670165, 19548761, 37340330, 39097522, 74680660, 78195044, 97743805, 195487610, 332328937, 390975220, 664657874, 1329315748, 1661644685, 3323289370, 6646578740]

約数ペア:

[(1, 6646578740), (2, 3323289370), (4, 1661644685), (5, 1329315748), (10, 664657874), (17, 390975220), (20, 332328937), (34, 195487610), (68, 97743805), (85, 78195044), (89, 74680660), (170, 39097522), (178, 37340330), (340, 19548761), (356, 18670165), (445, 14936132), (890, 7468066), (1513, 4392980), (1780, 3734033), (3026, 2196490), (6052, 1098245), (7565, 878596), (15130, 439298), (30260, 219649)]