200128405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{769}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 262563840

約数和(自身を除く): 62435435

約数列:

[1, 5, 23, 31, 73, 115, 155, 365, 713, 769, 1679, 2263, 3565, 3845, 8395, 11315, 17687, 23839, 52049, 56137, 88435, 119195, 260245, 280685, 548297, 1291151, 1740247, 2741485, 6455755, 8701235, 40025681, 200128405]

約数ペア:

[(1, 200128405), (5, 40025681), (23, 8701235), (31, 6455755), (73, 2741485), (115, 1740247), (155, 1291151), (365, 548297), (713, 280685), (769, 260245), (1679, 119195), (2263, 88435), (3565, 56137), (3845, 52049), (8395, 23839), (11315, 17687)]