172988255

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 244188000

約数和(自身を除く): 71199745

約数列:

[1, 5, 11, 19, 55, 95, 101, 121, 149, 209, 505, 605, 745, 1045, 1111, 1639, 1919, 2299, 2831, 5555, 8195, 9595, 11495, 12221, 14155, 15049, 18029, 21109, 31141, 61105, 75245, 90145, 105545, 155705, 165539, 232199, 285931, 342551, 827695, 1160995, 1429655, 1712755, 1820929, 3145241, 9104645, 15726205, 34597651, 172988255]

約数ペア:

[(1, 172988255), (5, 34597651), (11, 15726205), (19, 9104645), (55, 3145241), (95, 1820929), (101, 1712755), (121, 1429655), (149, 1160995), (209, 827695), (505, 342551), (605, 285931), (745, 232199), (1045, 165539), (1111, 155705), (1639, 105545), (1919, 90145), (2299, 75245), (2831, 61105), (5555, 31141), (8195, 21109), (9595, 18029), (11495, 15049), (12221, 14155)]