389661720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{9467}}^1$

素因数の和:9502

約数の個数: 128

約数和(自身を含む): 1363392000

約数和(自身を除く): 973730280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5880, 6860, 8232, 9467, 10290, 13720, 18934, 20580, 28401, 37868, 41160, 47335, 56802, 66269, 75736, 94670, 113604, 132538, 142005, 189340, 198807, 227208, 265076, 284010, 331345, 378680, 397614, 463883, 530152, 568020, 662690, 795228, 927766, 994035, 1136040, 1325380, 1391649, 1590456, 1855532, 1988070, 2319415, 2650760, 2783298, 3247181, 3711064, 3976140, 4638830, 5566596, 6494362, 6958245, 7952280, 9277660, 9741543, 11133192, 12988724, 13916490, 16235905, 18555320, 19483086, 25977448, 27832980, 32471810, 38966172, 48707715, 55665960, 64943620, 77932344, 97415430, 129887240, 194830860, 389661720]

約数ペア:

[(1, 389661720), (2, 194830860), (3, 129887240), (4, 97415430), (5, 77932344), (6, 64943620), (7, 55665960), (8, 48707715), (10, 38966172), (12, 32471810), (14, 27832980), (15, 25977448), (20, 19483086), (21, 18555320), (24, 16235905), (28, 13916490), (30, 12988724), (35, 11133192), (40, 9741543), (42, 9277660), (49, 7952280), (56, 6958245), (60, 6494362), (70, 5566596), (84, 4638830), (98, 3976140), (105, 3711064), (120, 3247181), (140, 2783298), (147, 2650760), (168, 2319415), (196, 1988070), (210, 1855532), (245, 1590456), (280, 1391649), (294, 1325380), (343, 1136040), (392, 994035), (420, 927766), (490, 795228), (588, 662690), (686, 568020), (735, 530152), (840, 463883), (980, 397614), (1029, 378680), (1176, 331345), (1372, 284010), (1470, 265076), (1715, 227208), (1960, 198807), (2058, 189340), (2744, 142005), (2940, 132538), (3430, 113604), (4116, 94670), (5145, 75736), (5880, 66269), (6860, 56802), (8232, 47335), (9467, 41160), (10290, 37868), (13720, 28401), (18934, 20580)]