198920450

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^2\times {\mathrm{1801}}^1$

素因数の和:1907

約数の個数: 36

約数和(自身を含む): 378241602

約数和(自身を除く): 179321152

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 1801, 2209, 2350, 3602, 4418, 9005, 11045, 18010, 22090, 45025, 55225, 84647, 90050, 110450, 169294, 423235, 846470, 2116175, 3978409, 4232350, 7956818, 19892045, 39784090, 99460225, 198920450]

約数ペア:

[(1, 198920450), (2, 99460225), (5, 39784090), (10, 19892045), (25, 7956818), (47, 4232350), (50, 3978409), (94, 2116175), (235, 846470), (470, 423235), (1175, 169294), (1801, 110450), (2209, 90050), (2350, 84647), (3602, 55225), (4418, 45025), (9005, 22090), (11045, 18010)]