1999315090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1\times {\mathrm{883}}^1$

素因数の和:1627

約数の個数: 64

約数和(自身を含む): 4021280640

約数和(自身を除く): 2021965550

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 701, 883, 1402, 1615, 1766, 3230, 3505, 4415, 7010, 8830, 11917, 13319, 15011, 16777, 23834, 26638, 30022, 33554, 59585, 66595, 75055, 83885, 119170, 133190, 150110, 167770, 226423, 285209, 452846, 570418, 618983, 1132115, 1237966, 1426045, 2264230, 2852090, 3094915, 6189830, 10522711, 11760677, 21045422, 23521354, 52613555, 58803385, 105227110, 117606770, 199931509, 399863018, 999657545, 1999315090]

約数ペア:

[(1, 1999315090), (2, 999657545), (5, 399863018), (10, 199931509), (17, 117606770), (19, 105227110), (34, 58803385), (38, 52613555), (85, 23521354), (95, 21045422), (170, 11760677), (190, 10522711), (323, 6189830), (646, 3094915), (701, 2852090), (883, 2264230), (1402, 1426045), (1615, 1237966), (1766, 1132115), (3230, 618983), (3505, 570418), (4415, 452846), (7010, 285209), (8830, 226423), (11917, 167770), (13319, 150110), (15011, 133190), (16777, 119170), (23834, 83885), (26638, 75055), (30022, 66595), (33554, 59585)]