31212610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 70201728

約数和(自身を除く): 38989118

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 73, 110, 115, 130, 143, 146, 169, 230, 253, 286, 299, 338, 365, 506, 598, 715, 730, 803, 845, 949, 1265, 1430, 1495, 1606, 1679, 1690, 1859, 1898, 2530, 2990, 3289, 3358, 3718, 3887, 4015, 4745, 6578, 7774, 8030, 8395, 9295, 9490, 10439, 12337, 16445, 16790, 18469, 18590, 19435, 20878, 21827, 24674, 32890, 36938, 38870, 42757, 43654, 52195, 61685, 85514, 92345, 104390, 109135, 123370, 135707, 184690, 213785, 218270, 240097, 271414, 283751, 427570, 480194, 567502, 678535, 1200485, 1357070, 1418755, 2400970, 2837510, 3121261, 6242522, 15606305, 31212610]

約数ペア:

[(1, 31212610), (2, 15606305), (5, 6242522), (10, 3121261), (11, 2837510), (13, 2400970), (22, 1418755), (23, 1357070), (26, 1200485), (46, 678535), (55, 567502), (65, 480194), (73, 427570), (110, 283751), (115, 271414), (130, 240097), (143, 218270), (146, 213785), (169, 184690), (230, 135707), (253, 123370), (286, 109135), (299, 104390), (338, 92345), (365, 85514), (506, 61685), (598, 52195), (715, 43654), (730, 42757), (803, 38870), (845, 36938), (949, 32890), (1265, 24674), (1430, 21827), (1495, 20878), (1606, 19435), (1679, 18590), (1690, 18469), (1859, 16790), (1898, 16445), (2530, 12337), (2990, 10439), (3289, 9490), (3358, 9295), (3718, 8395), (3887, 8030), (4015, 7774), (4745, 6578)]