1038491440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{26119}}^1$

素因数の和:26210

約数の個数: 80

約数和(自身を含む): 2798392320

約数和(自身を除く): 1759900880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 7952, 9940, 19880, 26119, 39760, 52238, 104476, 130595, 182833, 208952, 261190, 365666, 417904, 522380, 731332, 914165, 1044760, 1462664, 1828330, 1854449, 2089520, 2925328, 3656660, 3708898, 7313320, 7417796, 9272245, 12981143, 14626640, 14835592, 18544490, 25962286, 29671184, 37088980, 51924572, 64905715, 74177960, 103849144, 129811430, 148355920, 207698288, 259622860, 519245720, 1038491440]

約数ペア:

[(1, 1038491440), (2, 519245720), (4, 259622860), (5, 207698288), (7, 148355920), (8, 129811430), (10, 103849144), (14, 74177960), (16, 64905715), (20, 51924572), (28, 37088980), (35, 29671184), (40, 25962286), (56, 18544490), (70, 14835592), (71, 14626640), (80, 12981143), (112, 9272245), (140, 7417796), (142, 7313320), (280, 3708898), (284, 3656660), (355, 2925328), (497, 2089520), (560, 1854449), (568, 1828330), (710, 1462664), (994, 1044760), (1136, 914165), (1420, 731332), (1988, 522380), (2485, 417904), (2840, 365666), (3976, 261190), (4970, 208952), (5680, 182833), (7952, 130595), (9940, 104476), (19880, 52238), (26119, 39760)]