3415820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 7711200

約数和(自身を除く): 4295380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 101, 178, 190, 202, 356, 380, 404, 445, 505, 890, 1010, 1691, 1780, 1919, 2020, 3382, 3838, 6764, 7676, 8455, 8989, 9595, 16910, 17978, 19190, 33820, 35956, 38380, 44945, 89890, 170791, 179780, 341582, 683164, 853955, 1707910, 3415820]

約数ペア:

[(1, 3415820), (2, 1707910), (4, 853955), (5, 683164), (10, 341582), (19, 179780), (20, 170791), (38, 89890), (76, 44945), (89, 38380), (95, 35956), (101, 33820), (178, 19190), (190, 17978), (202, 16910), (356, 9595), (380, 8989), (404, 8455), (445, 7676), (505, 6764), (890, 3838), (1010, 3382), (1691, 2020), (1780, 1919)]