159852980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2543}}^1$

素因数の和:3008

約数の個数: 48

約数和(自身を含む): 384652800

約数和(自身を除く): 224799820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 898, 1796, 2245, 2543, 3143, 4490, 5086, 6286, 8980, 10172, 12572, 12715, 15715, 17801, 25430, 31430, 35602, 50860, 62860, 71204, 89005, 178010, 356020, 1141807, 2283614, 4567228, 5709035, 7992649, 11418070, 15985298, 22836140, 31970596, 39963245, 79926490, 159852980]

約数ペア:

[(1, 159852980), (2, 79926490), (4, 39963245), (5, 31970596), (7, 22836140), (10, 15985298), (14, 11418070), (20, 7992649), (28, 5709035), (35, 4567228), (70, 2283614), (140, 1141807), (449, 356020), (898, 178010), (1796, 89005), (2245, 71204), (2543, 62860), (3143, 50860), (4490, 35602), (5086, 31430), (6286, 25430), (8980, 17801), (10172, 15715), (12572, 12715)]