38678180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1789}}^1$

素因数の和:1868

約数の個数: 48

約数和(自身を含む): 86607360

約数和(自身を除く): 47929180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1789, 2162, 3578, 4324, 5405, 7156, 8945, 10810, 17890, 21620, 35780, 41147, 82294, 84083, 164588, 168166, 205735, 336332, 411470, 420415, 822940, 840830, 1681660, 1933909, 3867818, 7735636, 9669545, 19339090, 38678180]

約数ペア:

[(1, 38678180), (2, 19339090), (4, 9669545), (5, 7735636), (10, 3867818), (20, 1933909), (23, 1681660), (46, 840830), (47, 822940), (92, 420415), (94, 411470), (115, 336332), (188, 205735), (230, 168166), (235, 164588), (460, 84083), (470, 82294), (940, 41147), (1081, 35780), (1789, 21620), (2162, 17890), (3578, 10810), (4324, 8945), (5405, 7156)]