247804540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1303}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 536945472

約数和(自身を除く): 289140932

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 257, 370, 514, 740, 1028, 1285, 1303, 2570, 2606, 5140, 5212, 6515, 9509, 13030, 19018, 26060, 38036, 47545, 48211, 95090, 96422, 190180, 192844, 241055, 334871, 482110, 669742, 964220, 1339484, 1674355, 3348710, 6697420, 12390227, 24780454, 49560908, 61951135, 123902270, 247804540]

約数ペア:

[(1, 247804540), (2, 123902270), (4, 61951135), (5, 49560908), (10, 24780454), (20, 12390227), (37, 6697420), (74, 3348710), (148, 1674355), (185, 1339484), (257, 964220), (370, 669742), (514, 482110), (740, 334871), (1028, 241055), (1285, 192844), (1303, 190180), (2570, 96422), (2606, 95090), (5140, 48211), (5212, 47545), (6515, 38036), (9509, 26060), (13030, 19018)]