39872450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{47}}^2$

素因数の和:144

約数の個数: 54

約数和(自身を含む): 79972281

約数和(自身を除く): 40099831

約数列:

[1, 2, 5, 10, 19, 25, 38, 47, 50, 94, 95, 190, 235, 361, 470, 475, 722, 893, 950, 1175, 1786, 1805, 2209, 2350, 3610, 4418, 4465, 8930, 9025, 11045, 16967, 18050, 22090, 22325, 33934, 41971, 44650, 55225, 83942, 84835, 110450, 169670, 209855, 419710, 424175, 797449, 848350, 1049275, 1594898, 2098550, 3987245, 7974490, 19936225, 39872450]

約数ペア:

[(1, 39872450), (2, 19936225), (5, 7974490), (10, 3987245), (19, 2098550), (25, 1594898), (38, 1049275), (47, 848350), (50, 797449), (94, 424175), (95, 419710), (190, 209855), (235, 169670), (361, 110450), (470, 84835), (475, 83942), (722, 55225), (893, 44650), (950, 41971), (1175, 33934), (1786, 22325), (1805, 22090), (2209, 18050), (2350, 16967), (3610, 11045), (4418, 9025), (4465, 8930)]