2986993840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{70849}}^1$

素因数の和:70910

約数の個数: 80

約数和(自身を含む): 7590585600

約数和(自身を除く): 4603591760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 21080, 42160, 70849, 141698, 283396, 354245, 566792, 708490, 1133584, 1204433, 1416980, 2196319, 2408866, 2833960, 4392638, 4817732, 5667920, 6022165, 8785276, 9635464, 10981595, 12044330, 17570552, 19270928, 21963190, 24088660, 35141104, 37337423, 43926380, 48177320, 74674846, 87852760, 96354640, 149349692, 175705520, 186687115, 298699384, 373374230, 597398768, 746748460, 1493496920, 2986993840]

約数ペア:

[(1, 2986993840), (2, 1493496920), (4, 746748460), (5, 597398768), (8, 373374230), (10, 298699384), (16, 186687115), (17, 175705520), (20, 149349692), (31, 96354640), (34, 87852760), (40, 74674846), (62, 48177320), (68, 43926380), (80, 37337423), (85, 35141104), (124, 24088660), (136, 21963190), (155, 19270928), (170, 17570552), (248, 12044330), (272, 10981595), (310, 9635464), (340, 8785276), (496, 6022165), (527, 5667920), (620, 4817732), (680, 4392638), (1054, 2833960), (1240, 2408866), (1360, 2196319), (2108, 1416980), (2480, 1204433), (2635, 1133584), (4216, 708490), (5270, 566792), (8432, 354245), (10540, 283396), (21080, 141698), (42160, 70849)]