73671620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1303}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 169561728

約数和(自身を除く): 95890108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 1028, 1285, 1303, 2570, 2606, 2827, 5140, 5212, 5654, 6515, 11308, 13030, 14135, 14333, 26060, 28270, 28666, 56540, 57332, 71665, 143330, 286660, 334871, 669742, 1339484, 1674355, 3348710, 3683581, 6697420, 7367162, 14734324, 18417905, 36835810, 73671620]

約数ペア:

[(1, 73671620), (2, 36835810), (4, 18417905), (5, 14734324), (10, 7367162), (11, 6697420), (20, 3683581), (22, 3348710), (44, 1674355), (55, 1339484), (110, 669742), (220, 334871), (257, 286660), (514, 143330), (1028, 71665), (1285, 57332), (1303, 56540), (2570, 28666), (2606, 28270), (2827, 26060), (5140, 14333), (5212, 14135), (5654, 13030), (6515, 11308)]