71377880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1123}}^1$

素因数の和:1368

約数の個数: 64

約数和(自身を含む): 184515840

約数和(自身を除く): 113137960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 454, 908, 1123, 1135, 1589, 1816, 2246, 2270, 3178, 4492, 4540, 5615, 6356, 7861, 7945, 8984, 9080, 11230, 12712, 15722, 15890, 22460, 31444, 31780, 39305, 44920, 62888, 63560, 78610, 157220, 254921, 314440, 509842, 1019684, 1274605, 1784447, 2039368, 2549210, 3568894, 5098420, 7137788, 8922235, 10196840, 14275576, 17844470, 35688940, 71377880]

約数ペア:

[(1, 71377880), (2, 35688940), (4, 17844470), (5, 14275576), (7, 10196840), (8, 8922235), (10, 7137788), (14, 5098420), (20, 3568894), (28, 2549210), (35, 2039368), (40, 1784447), (56, 1274605), (70, 1019684), (140, 509842), (227, 314440), (280, 254921), (454, 157220), (908, 78610), (1123, 63560), (1135, 62888), (1589, 44920), (1816, 39305), (2246, 31780), (2270, 31444), (3178, 22460), (4492, 15890), (4540, 15722), (5615, 12712), (6356, 11230), (7861, 9080), (7945, 8984)]