49781900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 108

約数和(自身を含む): 130960368

約数和(自身を除く): 81178468

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 197, 266, 350, 361, 380, 394, 475, 532, 665, 700, 722, 788, 950, 985, 1330, 1379, 1444, 1805, 1900, 1970, 2527, 2660, 2758, 3325, 3610, 3743, 3940, 4925, 5054, 5516, 6650, 6895, 7220, 7486, 9025, 9850, 10108, 12635, 13300, 13790, 14972, 18050, 18715, 19700, 25270, 26201, 27580, 34475, 36100, 37430, 50540, 52402, 63175, 68950, 71117, 74860, 93575, 104804, 126350, 131005, 137900, 142234, 187150, 252700, 262010, 284468, 355585, 374300, 497819, 524020, 655025, 711170, 995638, 1310050, 1422340, 1777925, 1991276, 2489095, 2620100, 3555850, 4978190, 7111700, 9956380, 12445475, 24890950, 49781900]

約数ペア:

[(1, 49781900), (2, 24890950), (4, 12445475), (5, 9956380), (7, 7111700), (10, 4978190), (14, 3555850), (19, 2620100), (20, 2489095), (25, 1991276), (28, 1777925), (35, 1422340), (38, 1310050), (50, 995638), (70, 711170), (76, 655025), (95, 524020), (100, 497819), (133, 374300), (140, 355585), (175, 284468), (190, 262010), (197, 252700), (266, 187150), (350, 142234), (361, 137900), (380, 131005), (394, 126350), (475, 104804), (532, 93575), (665, 74860), (700, 71117), (722, 68950), (788, 63175), (950, 52402), (985, 50540), (1330, 37430), (1379, 36100), (1444, 34475), (1805, 27580), (1900, 26201), (1970, 25270), (2527, 19700), (2660, 18715), (2758, 18050), (3325, 14972), (3610, 13790), (3743, 13300), (3940, 12635), (4925, 10108), (5054, 9850), (5516, 9025), (6650, 7486), (6895, 7220)]