156980740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4363}}^1$

素因数の和:4636

約数の個数: 48

約数和(自身を含む): 378306432

約数和(自身を除く): 221325692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2570, 3598, 4363, 5140, 7196, 8726, 8995, 17452, 17990, 21815, 30541, 35980, 43630, 61082, 87260, 122164, 152705, 305410, 610820, 1121291, 2242582, 4485164, 5606455, 7849037, 11212910, 15698074, 22425820, 31396148, 39245185, 78490370, 156980740]

約数ペア:

[(1, 156980740), (2, 78490370), (4, 39245185), (5, 31396148), (7, 22425820), (10, 15698074), (14, 11212910), (20, 7849037), (28, 5606455), (35, 4485164), (70, 2242582), (140, 1121291), (257, 610820), (514, 305410), (1028, 152705), (1285, 122164), (1799, 87260), (2570, 61082), (3598, 43630), (4363, 35980), (5140, 30541), (7196, 21815), (8726, 17990), (8995, 17452)]