28994200

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4999}}^1$

素因数の和:5044

約数の個数: 48

約数和(自身を含む): 69750000

約数和(自身を除く): 40755800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 4999, 5800, 9998, 19996, 24995, 39992, 49990, 99980, 124975, 144971, 199960, 249950, 289942, 499900, 579884, 724855, 999800, 1159768, 1449710, 2899420, 3624275, 5798840, 7248550, 14497100, 28994200]

約数ペア:

[(1, 28994200), (2, 14497100), (4, 7248550), (5, 5798840), (8, 3624275), (10, 2899420), (20, 1449710), (25, 1159768), (29, 999800), (40, 724855), (50, 579884), (58, 499900), (100, 289942), (116, 249950), (145, 199960), (200, 144971), (232, 124975), (290, 99980), (580, 49990), (725, 39992), (1160, 24995), (1450, 19996), (2900, 9998), (4999, 5800)]