274896380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{17599}}^1$

素因数の和:17690

約数の個数: 48

約数和(自身を含む): 638668800

約数和(自身を除く): 363772420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 17599, 35198, 70396, 87995, 175990, 193589, 351980, 387178, 774356, 967945, 1249529, 1935890, 2499058, 3871780, 4998116, 6247645, 12495290, 13744819, 24990580, 27489638, 54979276, 68724095, 137448190, 274896380]

約数ペア:

[(1, 274896380), (2, 137448190), (4, 68724095), (5, 54979276), (10, 27489638), (11, 24990580), (20, 13744819), (22, 12495290), (44, 6247645), (55, 4998116), (71, 3871780), (110, 2499058), (142, 1935890), (220, 1249529), (284, 967945), (355, 774356), (710, 387178), (781, 351980), (1420, 193589), (1562, 175990), (3124, 87995), (3905, 70396), (7810, 35198), (15620, 17599)]