1686503420

素因数分解:

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

素因数の和:727

約数の個数: 72

約数和(自身を含む): 4088147616

約数和(自身を除く): 2401644196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 277, 314, 554, 628, 785, 1099, 1108, 1385, 1570, 1939, 2198, 2770, 3140, 3878, 4396, 5495, 5540, 7756, 9695, 10990, 19390, 21980, 38780, 43489, 76729, 86978, 153458, 173956, 217445, 304423, 306916, 383645, 434890, 537103, 608846, 767290, 869780, 1074206, 1217692, 1522115, 1534580, 2148412, 2685515, 3044230, 5371030, 6088460, 10742060, 12046453, 24092906, 48185812, 60232265, 84325171, 120464530, 168650342, 240929060, 337300684, 421625855, 843251710, 1686503420]

約数ペア:

[(1, 1686503420), (2, 843251710), (4, 421625855), (5, 337300684), (7, 240929060), (10, 168650342), (14, 120464530), (20, 84325171), (28, 60232265), (35, 48185812), (70, 24092906), (140, 12046453), (157, 10742060), (277, 6088460), (314, 5371030), (554, 3044230), (628, 2685515), (785, 2148412), (1099, 1534580), (1108, 1522115), (1385, 1217692), (1570, 1074206), (1939, 869780), (2198, 767290), (2770, 608846), (3140, 537103), (3878, 434890), (4396, 383645), (5495, 306916), (5540, 304423), (7756, 217445), (9695, 173956), (10990, 153458), (19390, 86978), (21980, 76729), (38780, 43489)]