256344200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:484

約数の個数: 192

約数和(自身を含む): 749952000

約数和(自身を除く): 493607800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 25, 28, 35, 38, 40, 46, 50, 56, 70, 76, 92, 95, 100, 115, 133, 140, 152, 161, 175, 184, 190, 200, 230, 266, 280, 322, 350, 380, 419, 437, 460, 475, 532, 575, 644, 665, 700, 760, 805, 838, 874, 920, 950, 1064, 1150, 1288, 1330, 1400, 1610, 1676, 1748, 1900, 2095, 2185, 2300, 2660, 2933, 3059, 3220, 3325, 3352, 3496, 3800, 4025, 4190, 4370, 4600, 5320, 5866, 6118, 6440, 6650, 7961, 8050, 8380, 8740, 9637, 10475, 10925, 11732, 12236, 13300, 14665, 15295, 15922, 16100, 16760, 17480, 19274, 20950, 21850, 23464, 24472, 26600, 29330, 30590, 31844, 32200, 38548, 39805, 41900, 43700, 48185, 55727, 58660, 61180, 63688, 67459, 73325, 76475, 77096, 79610, 83800, 87400, 96370, 111454, 117320, 122360, 134918, 146650, 152950, 159220, 183103, 192740, 199025, 222908, 240925, 269836, 278635, 293300, 305900, 318440, 337295, 366206, 385480, 398050, 445816, 481850, 539672, 557270, 586600, 611800, 674590, 732412, 796100, 915515, 963700, 1114540, 1281721, 1349180, 1393175, 1464824, 1592200, 1686475, 1831030, 1927400, 2229080, 2563442, 2698360, 2786350, 3372950, 3662060, 4577575, 5126884, 5572700, 6408605, 6745900, 7324120, 9155150, 10253768, 11145400, 12817210, 13491800, 18310300, 25634420, 32043025, 36620600, 51268840, 64086050, 128172100, 256344200]

約数ペア:

[(1, 256344200), (2, 128172100), (4, 64086050), (5, 51268840), (7, 36620600), (8, 32043025), (10, 25634420), (14, 18310300), (19, 13491800), (20, 12817210), (23, 11145400), (25, 10253768), (28, 9155150), (35, 7324120), (38, 6745900), (40, 6408605), (46, 5572700), (50, 5126884), (56, 4577575), (70, 3662060), (76, 3372950), (92, 2786350), (95, 2698360), (100, 2563442), (115, 2229080), (133, 1927400), (140, 1831030), (152, 1686475), (161, 1592200), (175, 1464824), (184, 1393175), (190, 1349180), (200, 1281721), (230, 1114540), (266, 963700), (280, 915515), (322, 796100), (350, 732412), (380, 674590), (419, 611800), (437, 586600), (460, 557270), (475, 539672), (532, 481850), (575, 445816), (644, 398050), (665, 385480), (700, 366206), (760, 337295), (805, 318440), (838, 305900), (874, 293300), (920, 278635), (950, 269836), (1064, 240925), (1150, 222908), (1288, 199025), (1330, 192740), (1400, 183103), (1610, 159220), (1676, 152950), (1748, 146650), (1900, 134918), (2095, 122360), (2185, 117320), (2300, 111454), (2660, 96370), (2933, 87400), (3059, 83800), (3220, 79610), (3325, 77096), (3352, 76475), (3496, 73325), (3800, 67459), (4025, 63688), (4190, 61180), (4370, 58660), (4600, 55727), (5320, 48185), (5866, 43700), (6118, 41900), (6440, 39805), (6650, 38548), (7961, 32200), (8050, 31844), (8380, 30590), (8740, 29330), (9637, 26600), (10475, 24472), (10925, 23464), (11732, 21850), (12236, 20950), (13300, 19274), (14665, 17480), (15295, 16760), (15922, 16100)]