290140860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{210247}}^1$

素因数の和:210282

約数の個数: 48

約数和(自身を含む): 847719936

約数和(自身を除く): 557579076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 210247, 420494, 630741, 840988, 1051235, 1261482, 2102470, 2522964, 3153705, 4204940, 4835681, 6307410, 9671362, 12614820, 14507043, 19342724, 24178405, 29014086, 48356810, 58028172, 72535215, 96713620, 145070430, 290140860]

約数ペア:

[(1, 290140860), (2, 145070430), (3, 96713620), (4, 72535215), (5, 58028172), (6, 48356810), (10, 29014086), (12, 24178405), (15, 19342724), (20, 14507043), (23, 12614820), (30, 9671362), (46, 6307410), (60, 4835681), (69, 4204940), (92, 3153705), (115, 2522964), (138, 2102470), (230, 1261482), (276, 1051235), (345, 840988), (460, 630741), (690, 420494), (1380, 210247)]