255655400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1277}}^1$

素因数の和:1324

約数の個数: 192

約数和(自身を含む): 798698880

約数和(自身を除く): 543043480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 40, 44, 50, 52, 55, 56, 65, 70, 77, 88, 91, 100, 104, 110, 130, 140, 143, 154, 175, 182, 200, 220, 260, 275, 280, 286, 308, 325, 350, 364, 385, 440, 455, 520, 550, 572, 616, 650, 700, 715, 728, 770, 910, 1001, 1100, 1144, 1277, 1300, 1400, 1430, 1540, 1820, 1925, 2002, 2200, 2275, 2554, 2600, 2860, 3080, 3575, 3640, 3850, 4004, 4550, 5005, 5108, 5720, 6385, 7150, 7700, 8008, 8939, 9100, 10010, 10216, 12770, 14047, 14300, 15400, 16601, 17878, 18200, 20020, 25025, 25540, 28094, 28600, 31925, 33202, 35756, 40040, 44695, 50050, 51080, 56188, 63850, 66404, 70235, 71512, 83005, 89390, 98329, 100100, 112376, 116207, 127700, 132808, 140470, 166010, 178780, 182611, 196658, 200200, 223475, 232414, 255400, 280940, 332020, 351175, 357560, 365222, 393316, 415025, 446950, 464828, 491645, 561880, 581035, 664040, 702350, 730444, 786632, 830050, 893900, 913055, 929656, 983290, 1162070, 1278277, 1404700, 1460888, 1660100, 1787800, 1826110, 1966580, 2324140, 2458225, 2556554, 2809400, 2905175, 3320200, 3652220, 3933160, 4565275, 4648280, 4916450, 5113108, 5810350, 6391385, 7304440, 9130550, 9832900, 10226216, 11620700, 12782770, 18261100, 19665800, 23241400, 25565540, 31956925, 36522200, 51131080, 63913850, 127827700, 255655400]

約数ペア:

[(1, 255655400), (2, 127827700), (4, 63913850), (5, 51131080), (7, 36522200), (8, 31956925), (10, 25565540), (11, 23241400), (13, 19665800), (14, 18261100), (20, 12782770), (22, 11620700), (25, 10226216), (26, 9832900), (28, 9130550), (35, 7304440), (40, 6391385), (44, 5810350), (50, 5113108), (52, 4916450), (55, 4648280), (56, 4565275), (65, 3933160), (70, 3652220), (77, 3320200), (88, 2905175), (91, 2809400), (100, 2556554), (104, 2458225), (110, 2324140), (130, 1966580), (140, 1826110), (143, 1787800), (154, 1660100), (175, 1460888), (182, 1404700), (200, 1278277), (220, 1162070), (260, 983290), (275, 929656), (280, 913055), (286, 893900), (308, 830050), (325, 786632), (350, 730444), (364, 702350), (385, 664040), (440, 581035), (455, 561880), (520, 491645), (550, 464828), (572, 446950), (616, 415025), (650, 393316), (700, 365222), (715, 357560), (728, 351175), (770, 332020), (910, 280940), (1001, 255400), (1100, 232414), (1144, 223475), (1277, 200200), (1300, 196658), (1400, 182611), (1430, 178780), (1540, 166010), (1820, 140470), (1925, 132808), (2002, 127700), (2200, 116207), (2275, 112376), (2554, 100100), (2600, 98329), (2860, 89390), (3080, 83005), (3575, 71512), (3640, 70235), (3850, 66404), (4004, 63850), (4550, 56188), (5005, 51080), (5108, 50050), (5720, 44695), (6385, 40040), (7150, 35756), (7700, 33202), (8008, 31925), (8939, 28600), (9100, 28094), (10010, 25540), (10216, 25025), (12770, 20020), (14047, 18200), (14300, 17878), (15400, 16601)]