8802920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 22896000

約数和(自身を除く): 14093080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 211, 280, 298, 422, 596, 745, 844, 1043, 1055, 1192, 1477, 1490, 1688, 2086, 2110, 2954, 2980, 4172, 4220, 5215, 5908, 5960, 7385, 8344, 8440, 10430, 11816, 14770, 20860, 29540, 31439, 41720, 59080, 62878, 125756, 157195, 220073, 251512, 314390, 440146, 628780, 880292, 1100365, 1257560, 1760584, 2200730, 4401460, 8802920]

約数ペア:

[(1, 8802920), (2, 4401460), (4, 2200730), (5, 1760584), (7, 1257560), (8, 1100365), (10, 880292), (14, 628780), (20, 440146), (28, 314390), (35, 251512), (40, 220073), (56, 157195), (70, 125756), (140, 62878), (149, 59080), (211, 41720), (280, 31439), (298, 29540), (422, 20860), (596, 14770), (745, 11816), (844, 10430), (1043, 8440), (1055, 8344), (1192, 7385), (1477, 5960), (1490, 5908), (1688, 5215), (2086, 4220), (2110, 4172), (2954, 2980)]