38390660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 101945088

約数和(自身を除く): 63554428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 97, 110, 140, 154, 194, 220, 257, 308, 385, 388, 485, 514, 679, 770, 970, 1028, 1067, 1285, 1358, 1540, 1799, 1940, 2134, 2570, 2716, 2827, 3395, 3598, 4268, 5140, 5335, 5654, 6790, 7196, 7469, 8995, 10670, 11308, 13580, 14135, 14938, 17990, 19789, 21340, 24929, 28270, 29876, 35980, 37345, 39578, 49858, 56540, 74690, 79156, 98945, 99716, 124645, 149380, 174503, 197890, 249290, 274219, 349006, 395780, 498580, 548438, 698012, 872515, 1096876, 1371095, 1745030, 1919533, 2742190, 3490060, 3839066, 5484380, 7678132, 9597665, 19195330, 38390660]

約数ペア:

[(1, 38390660), (2, 19195330), (4, 9597665), (5, 7678132), (7, 5484380), (10, 3839066), (11, 3490060), (14, 2742190), (20, 1919533), (22, 1745030), (28, 1371095), (35, 1096876), (44, 872515), (55, 698012), (70, 548438), (77, 498580), (97, 395780), (110, 349006), (140, 274219), (154, 249290), (194, 197890), (220, 174503), (257, 149380), (308, 124645), (385, 99716), (388, 98945), (485, 79156), (514, 74690), (679, 56540), (770, 49858), (970, 39578), (1028, 37345), (1067, 35980), (1285, 29876), (1358, 28270), (1540, 24929), (1799, 21340), (1940, 19789), (2134, 17990), (2570, 14938), (2716, 14135), (2827, 13580), (3395, 11308), (3598, 10670), (4268, 8995), (5140, 7469), (5335, 7196), (5654, 6790)]