280336804850

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{701}}^1\times {\mathrm{739}}^1$

素因数の和:1668

約数の個数: 96

約数和(自身を含む): 533360505600

約数和(自身を除く): 253023700750

約数列:

[1, 2, 5, 10, 25, 50, 79, 137, 158, 274, 395, 685, 701, 739, 790, 1370, 1402, 1478, 1975, 3425, 3505, 3695, 3950, 6850, 7010, 7390, 10823, 17525, 18475, 21646, 35050, 36950, 54115, 55379, 58381, 96037, 101243, 108230, 110758, 116762, 192074, 202486, 270575, 276895, 291905, 480185, 506215, 518039, 541150, 553790, 583810, 960370, 1012430, 1036078, 1384475, 1459525, 2400925, 2531075, 2590195, 2768950, 2919050, 4801850, 5062150, 5180390, 7586923, 7998197, 12950975, 15173846, 15996394, 25901950, 37934615, 39990985, 40925081, 70971343, 75869230, 79981970, 81850162, 141942686, 189673075, 199954925, 204625405, 354856715, 379346150, 399909850, 409250810, 709713430, 1023127025, 1774283575, 2046254050, 3548567150, 5606736097, 11213472194, 28033680485, 56067360970, 140168402425, 280336804850]

約数ペア:

[(1, 280336804850), (2, 140168402425), (5, 56067360970), (10, 28033680485), (25, 11213472194), (50, 5606736097), (79, 3548567150), (137, 2046254050), (158, 1774283575), (274, 1023127025), (395, 709713430), (685, 409250810), (701, 399909850), (739, 379346150), (790, 354856715), (1370, 204625405), (1402, 199954925), (1478, 189673075), (1975, 141942686), (3425, 81850162), (3505, 79981970), (3695, 75869230), (3950, 70971343), (6850, 40925081), (7010, 39990985), (7390, 37934615), (10823, 25901950), (17525, 15996394), (18475, 15173846), (21646, 12950975), (35050, 7998197), (36950, 7586923), (54115, 5180390), (55379, 5062150), (58381, 4801850), (96037, 2919050), (101243, 2768950), (108230, 2590195), (110758, 2531075), (116762, 2400925), (192074, 1459525), (202486, 1384475), (270575, 1036078), (276895, 1012430), (291905, 960370), (480185, 583810), (506215, 553790), (518039, 541150)]