12176920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 31625280

約数和(自身を除く): 19448360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 277, 280, 314, 554, 628, 785, 1099, 1108, 1256, 1385, 1570, 1939, 2198, 2216, 2770, 3140, 3878, 4396, 5495, 5540, 6280, 7756, 8792, 9695, 10990, 11080, 15512, 19390, 21980, 38780, 43489, 43960, 77560, 86978, 173956, 217445, 304423, 347912, 434890, 608846, 869780, 1217692, 1522115, 1739560, 2435384, 3044230, 6088460, 12176920]

約数ペア:

[(1, 12176920), (2, 6088460), (4, 3044230), (5, 2435384), (7, 1739560), (8, 1522115), (10, 1217692), (14, 869780), (20, 608846), (28, 434890), (35, 347912), (40, 304423), (56, 217445), (70, 173956), (140, 86978), (157, 77560), (277, 43960), (280, 43489), (314, 38780), (554, 21980), (628, 19390), (785, 15512), (1099, 11080), (1108, 10990), (1256, 9695), (1385, 8792), (1570, 7756), (1939, 6280), (2198, 5540), (2216, 5495), (2770, 4396), (3140, 3878)]