87942800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 180

約数和(自身を含む): 245400960

約数和(自身を除く): 157458160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 44, 46, 50, 55, 79, 80, 88, 92, 100, 110, 115, 121, 158, 176, 184, 200, 220, 230, 242, 253, 275, 316, 368, 395, 400, 440, 460, 484, 506, 550, 575, 605, 632, 790, 869, 880, 920, 968, 1012, 1100, 1150, 1210, 1264, 1265, 1580, 1738, 1817, 1840, 1936, 1975, 2024, 2200, 2300, 2420, 2530, 2783, 3025, 3160, 3476, 3634, 3950, 4048, 4345, 4400, 4600, 4840, 5060, 5566, 6050, 6320, 6325, 6952, 7268, 7900, 8690, 9085, 9200, 9559, 9680, 10120, 11132, 12100, 12650, 13904, 13915, 14536, 15800, 17380, 18170, 19118, 19987, 20240, 21725, 22264, 24200, 25300, 27830, 29072, 31600, 34760, 36340, 38236, 39974, 43450, 44528, 45425, 47795, 48400, 50600, 55660, 69520, 69575, 72680, 76472, 79948, 86900, 90850, 95590, 99935, 101200, 111320, 139150, 145360, 152944, 159896, 173800, 181700, 191180, 199870, 219857, 222640, 238975, 278300, 319792, 347600, 363400, 382360, 399740, 439714, 477950, 499675, 556600, 726800, 764720, 799480, 879428, 955900, 999350, 1099285, 1113200, 1598960, 1758856, 1911800, 1998700, 2198570, 3517712, 3823600, 3997400, 4397140, 5496425, 7994800, 8794280, 10992850, 17588560, 21985700, 43971400, 87942800]

約数ペア:

[(1, 87942800), (2, 43971400), (4, 21985700), (5, 17588560), (8, 10992850), (10, 8794280), (11, 7994800), (16, 5496425), (20, 4397140), (22, 3997400), (23, 3823600), (25, 3517712), (40, 2198570), (44, 1998700), (46, 1911800), (50, 1758856), (55, 1598960), (79, 1113200), (80, 1099285), (88, 999350), (92, 955900), (100, 879428), (110, 799480), (115, 764720), (121, 726800), (158, 556600), (176, 499675), (184, 477950), (200, 439714), (220, 399740), (230, 382360), (242, 363400), (253, 347600), (275, 319792), (316, 278300), (368, 238975), (395, 222640), (400, 219857), (440, 199870), (460, 191180), (484, 181700), (506, 173800), (550, 159896), (575, 152944), (605, 145360), (632, 139150), (790, 111320), (869, 101200), (880, 99935), (920, 95590), (968, 90850), (1012, 86900), (1100, 79948), (1150, 76472), (1210, 72680), (1264, 69575), (1265, 69520), (1580, 55660), (1738, 50600), (1817, 48400), (1840, 47795), (1936, 45425), (1975, 44528), (2024, 43450), (2200, 39974), (2300, 38236), (2420, 36340), (2530, 34760), (2783, 31600), (3025, 29072), (3160, 27830), (3476, 25300), (3634, 24200), (3950, 22264), (4048, 21725), (4345, 20240), (4400, 19987), (4600, 19118), (4840, 18170), (5060, 17380), (5566, 15800), (6050, 14536), (6320, 13915), (6325, 13904), (6952, 12650), (7268, 12100), (7900, 11132), (8690, 10120), (9085, 9680), (9200, 9559)]