28139340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1669}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 79117920

約数和(自身を除く): 50978580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1405, 1669, 1686, 2810, 3338, 3372, 4215, 5007, 5620, 6676, 8345, 8430, 10014, 16690, 16860, 20028, 25035, 33380, 50070, 100140, 468989, 937978, 1406967, 1875956, 2344945, 2813934, 4689890, 5627868, 7034835, 9379780, 14069670, 28139340]

約数ペア:

[(1, 28139340), (2, 14069670), (3, 9379780), (4, 7034835), (5, 5627868), (6, 4689890), (10, 2813934), (12, 2344945), (15, 1875956), (20, 1406967), (30, 937978), (60, 468989), (281, 100140), (562, 50070), (843, 33380), (1124, 25035), (1405, 20028), (1669, 16860), (1686, 16690), (2810, 10014), (3338, 8430), (3372, 8345), (4215, 6676), (5007, 5620)]