28702140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6553}}^1$

素因数の和:6638

約数の個数: 48

約数和(自身を含む): 81479328

約数和(自身を除く): 52777188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 6553, 13106, 19659, 26212, 32765, 39318, 65530, 78636, 98295, 131060, 196590, 393180, 478369, 956738, 1435107, 1913476, 2391845, 2870214, 4783690, 5740428, 7175535, 9567380, 14351070, 28702140]

約数ペア:

[(1, 28702140), (2, 14351070), (3, 9567380), (4, 7175535), (5, 5740428), (6, 4783690), (10, 2870214), (12, 2391845), (15, 1913476), (20, 1435107), (30, 956738), (60, 478369), (73, 393180), (146, 196590), (219, 131060), (292, 98295), (365, 78636), (438, 65530), (730, 39318), (876, 32765), (1095, 26212), (1460, 19659), (2190, 13106), (4380, 6553)]