28990300

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2213}}^1$

素因数の和:2358

約数の個数: 36

約数和(自身を含む): 63417816

約数和(自身を除く): 34427516

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2213, 2620, 3275, 4426, 6550, 8852, 11065, 13100, 22130, 44260, 55325, 110650, 221300, 289903, 579806, 1159612, 1449515, 2899030, 5798060, 7247575, 14495150, 28990300]

約数ペア:

[(1, 28990300), (2, 14495150), (4, 7247575), (5, 5798060), (10, 2899030), (20, 1449515), (25, 1159612), (50, 579806), (100, 289903), (131, 221300), (262, 110650), (524, 55325), (655, 44260), (1310, 22130), (2213, 13100), (2620, 11065), (3275, 8852), (4426, 6550)]