38786440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 111456000

約数和(自身を除く): 72669560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 257, 280, 308, 343, 385, 392, 440, 490, 514, 539, 616, 686, 770, 980, 1028, 1078, 1285, 1372, 1540, 1715, 1799, 1960, 2056, 2156, 2570, 2695, 2744, 2827, 3080, 3430, 3598, 3773, 4312, 5140, 5390, 5654, 6860, 7196, 7546, 8995, 10280, 10780, 11308, 12593, 13720, 14135, 14392, 15092, 17990, 18865, 19789, 21560, 22616, 25186, 28270, 30184, 35980, 37730, 39578, 50372, 56540, 62965, 71960, 75460, 79156, 88151, 98945, 100744, 113080, 125930, 138523, 150920, 158312, 176302, 197890, 251860, 277046, 352604, 395780, 440755, 503720, 554092, 692615, 705208, 791560, 881510, 969661, 1108184, 1385230, 1763020, 1939322, 2770460, 3526040, 3878644, 4848305, 5540920, 7757288, 9696610, 19393220, 38786440]

約数ペア:

[(1, 38786440), (2, 19393220), (4, 9696610), (5, 7757288), (7, 5540920), (8, 4848305), (10, 3878644), (11, 3526040), (14, 2770460), (20, 1939322), (22, 1763020), (28, 1385230), (35, 1108184), (40, 969661), (44, 881510), (49, 791560), (55, 705208), (56, 692615), (70, 554092), (77, 503720), (88, 440755), (98, 395780), (110, 352604), (140, 277046), (154, 251860), (196, 197890), (220, 176302), (245, 158312), (257, 150920), (280, 138523), (308, 125930), (343, 113080), (385, 100744), (392, 98945), (440, 88151), (490, 79156), (514, 75460), (539, 71960), (616, 62965), (686, 56540), (770, 50372), (980, 39578), (1028, 37730), (1078, 35980), (1285, 30184), (1372, 28270), (1540, 25186), (1715, 22616), (1799, 21560), (1960, 19789), (2056, 18865), (2156, 17990), (2570, 15092), (2695, 14392), (2744, 14135), (2827, 13720), (3080, 12593), (3430, 11308), (3598, 10780), (3773, 10280), (4312, 8995), (5140, 7546), (5390, 7196), (5654, 6860)]