25655700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 144

約数和(自身を含む): 89438720

約数和(自身を除く): 63783020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 210, 228, 266, 285, 300, 350, 380, 399, 420, 475, 525, 532, 570, 643, 665, 700, 798, 950, 1050, 1140, 1286, 1330, 1425, 1596, 1900, 1929, 1995, 2100, 2572, 2660, 2850, 3215, 3325, 3858, 3990, 4501, 5700, 6430, 6650, 7716, 7980, 9002, 9645, 9975, 12217, 12860, 13300, 13503, 16075, 18004, 19290, 19950, 22505, 24434, 27006, 32150, 36651, 38580, 39900, 45010, 48225, 48868, 54012, 61085, 64300, 67515, 73302, 85519, 90020, 96450, 112525, 122170, 135030, 146604, 171038, 183255, 192900, 225050, 244340, 256557, 270060, 305425, 337575, 342076, 366510, 427595, 450100, 513114, 610850, 675150, 733020, 855190, 916275, 1026228, 1221700, 1282785, 1350300, 1710380, 1832550, 2137975, 2565570, 3665100, 4275950, 5131140, 6413925, 8551900, 12827850, 25655700]

約数ペア:

[(1, 25655700), (2, 12827850), (3, 8551900), (4, 6413925), (5, 5131140), (6, 4275950), (7, 3665100), (10, 2565570), (12, 2137975), (14, 1832550), (15, 1710380), (19, 1350300), (20, 1282785), (21, 1221700), (25, 1026228), (28, 916275), (30, 855190), (35, 733020), (38, 675150), (42, 610850), (50, 513114), (57, 450100), (60, 427595), (70, 366510), (75, 342076), (76, 337575), (84, 305425), (95, 270060), (100, 256557), (105, 244340), (114, 225050), (133, 192900), (140, 183255), (150, 171038), (175, 146604), (190, 135030), (210, 122170), (228, 112525), (266, 96450), (285, 90020), (300, 85519), (350, 73302), (380, 67515), (399, 64300), (420, 61085), (475, 54012), (525, 48868), (532, 48225), (570, 45010), (643, 39900), (665, 38580), (700, 36651), (798, 32150), (950, 27006), (1050, 24434), (1140, 22505), (1286, 19950), (1330, 19290), (1425, 18004), (1596, 16075), (1900, 13503), (1929, 13300), (1995, 12860), (2100, 12217), (2572, 9975), (2660, 9645), (2850, 9002), (3215, 7980), (3325, 7716), (3858, 6650), (3990, 6430), (4501, 5700)]