28985830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{409}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 55202400

約数和(自身を除く): 26216570

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 373, 409, 746, 818, 1865, 2045, 3730, 4090, 7087, 7771, 14174, 15542, 35435, 38855, 70870, 77710, 152557, 305114, 762785, 1525570, 2898583, 5797166, 14492915, 28985830]

約数ペア:

[(1, 28985830), (2, 14492915), (5, 5797166), (10, 2898583), (19, 1525570), (38, 762785), (95, 305114), (190, 152557), (373, 77710), (409, 70870), (746, 38855), (818, 35435), (1865, 15542), (2045, 14174), (3730, 7771), (4090, 7087)]