2857351040

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:520

約数の個数: 128

約数和(自身を含む): 6957925920

約数和(自身を除く): 4100574880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 173, 197, 262, 320, 346, 394, 524, 640, 655, 692, 788, 865, 985, 1048, 1310, 1384, 1576, 1730, 1970, 2096, 2620, 2768, 3152, 3460, 3940, 4192, 5240, 5536, 6304, 6920, 7880, 8384, 10480, 11072, 12608, 13840, 15760, 16768, 20960, 22144, 22663, 25216, 25807, 27680, 31520, 34081, 41920, 45326, 51614, 55360, 63040, 68162, 83840, 90652, 103228, 110720, 113315, 126080, 129035, 136324, 170405, 181304, 206456, 226630, 258070, 272648, 340810, 362608, 412912, 453260, 516140, 545296, 681620, 725216, 825824, 906520, 1032280, 1090592, 1363240, 1450432, 1651648, 1813040, 2064560, 2181184, 2726480, 2900864, 3303296, 3626080, 4129120, 4362368, 4464611, 5452960, 7252160, 8258240, 8929222, 10905920, 14504320, 16516480, 17858444, 21811840, 22323055, 35716888, 44646110, 71433776, 89292220, 142867552, 178584440, 285735104, 357168880, 571470208, 714337760, 1428675520, 2857351040]

約数ペア:

[(1, 2857351040), (2, 1428675520), (4, 714337760), (5, 571470208), (8, 357168880), (10, 285735104), (16, 178584440), (20, 142867552), (32, 89292220), (40, 71433776), (64, 44646110), (80, 35716888), (128, 22323055), (131, 21811840), (160, 17858444), (173, 16516480), (197, 14504320), (262, 10905920), (320, 8929222), (346, 8258240), (394, 7252160), (524, 5452960), (640, 4464611), (655, 4362368), (692, 4129120), (788, 3626080), (865, 3303296), (985, 2900864), (1048, 2726480), (1310, 2181184), (1384, 2064560), (1576, 1813040), (1730, 1651648), (1970, 1450432), (2096, 1363240), (2620, 1090592), (2768, 1032280), (3152, 906520), (3460, 825824), (3940, 725216), (4192, 681620), (5240, 545296), (5536, 516140), (6304, 453260), (6920, 412912), (7880, 362608), (8384, 340810), (10480, 272648), (11072, 258070), (12608, 226630), (13840, 206456), (15760, 181304), (16768, 170405), (20960, 136324), (22144, 129035), (22663, 126080), (25216, 113315), (25807, 110720), (27680, 103228), (31520, 90652), (34081, 83840), (41920, 68162), (45326, 63040), (51614, 55360)]