239477840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{18593}}^1$

素因数の和:18636

約数の個数: 80

約数和(自身を含む): 664028928

約数和(自身を除く): 424551088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 18593, 37186, 74372, 92965, 130151, 148744, 185930, 260302, 297488, 371860, 427639, 520604, 650755, 743720, 855278, 1041208, 1301510, 1487440, 1710556, 2082416, 2138195, 2603020, 2993473, 3421112, 4276390, 5206040, 5986946, 6842224, 8552780, 10412080, 11973892, 14967365, 17105560, 23947784, 29934730, 34211120, 47895568, 59869460, 119738920, 239477840]

約数ペア:

[(1, 239477840), (2, 119738920), (4, 59869460), (5, 47895568), (7, 34211120), (8, 29934730), (10, 23947784), (14, 17105560), (16, 14967365), (20, 11973892), (23, 10412080), (28, 8552780), (35, 6842224), (40, 5986946), (46, 5206040), (56, 4276390), (70, 3421112), (80, 2993473), (92, 2603020), (112, 2138195), (115, 2082416), (140, 1710556), (161, 1487440), (184, 1301510), (230, 1041208), (280, 855278), (322, 743720), (368, 650755), (460, 520604), (560, 427639), (644, 371860), (805, 297488), (920, 260302), (1288, 185930), (1610, 148744), (1840, 130151), (2576, 92965), (3220, 74372), (6440, 37186), (12880, 18593)]