2031590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 4251744

約数和(自身を除く): 2220154

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 73, 110, 115, 121, 146, 230, 242, 253, 365, 506, 605, 730, 803, 1210, 1265, 1606, 1679, 2530, 2783, 3358, 4015, 5566, 8030, 8395, 8833, 13915, 16790, 17666, 18469, 27830, 36938, 44165, 88330, 92345, 184690, 203159, 406318, 1015795, 2031590]

約数ペア:

[(1, 2031590), (2, 1015795), (5, 406318), (10, 203159), (11, 184690), (22, 92345), (23, 88330), (46, 44165), (55, 36938), (73, 27830), (110, 18469), (115, 17666), (121, 16790), (146, 13915), (230, 8833), (242, 8395), (253, 8030), (365, 5566), (506, 4015), (605, 3358), (730, 2783), (803, 2530), (1210, 1679), (1265, 1606)]