870689380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{15643}}^1$

素因数の和:15697

約数の個数: 72

約数和(自身を含む): 2097297216

約数和(自身を除く): 1226607836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 2420, 2530, 2783, 5060, 5566, 11132, 13915, 15643, 27830, 31286, 55660, 62572, 78215, 156430, 172073, 312860, 344146, 359789, 688292, 719578, 860365, 1439156, 1720730, 1798945, 1892803, 3441460, 3597890, 3785606, 3957679, 7195780, 7571212, 7915358, 9464015, 15830716, 18928030, 19788395, 37856060, 39576790, 43534469, 79153580, 87068938, 174137876, 217672345, 435344690, 870689380]

約数ペア:

[(1, 870689380), (2, 435344690), (4, 217672345), (5, 174137876), (10, 87068938), (11, 79153580), (20, 43534469), (22, 39576790), (23, 37856060), (44, 19788395), (46, 18928030), (55, 15830716), (92, 9464015), (110, 7915358), (115, 7571212), (121, 7195780), (220, 3957679), (230, 3785606), (242, 3597890), (253, 3441460), (460, 1892803), (484, 1798945), (506, 1720730), (605, 1439156), (1012, 860365), (1210, 719578), (1265, 688292), (2420, 359789), (2530, 344146), (2783, 312860), (5060, 172073), (5566, 156430), (11132, 78215), (13915, 62572), (15643, 55660), (27830, 31286)]