1891976530

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 3592512000

約数和(自身を除く): 1700535470

約数列:

[1, 2, 5, 10, 29, 58, 79, 145, 158, 269, 290, 307, 395, 538, 614, 790, 1345, 1535, 2291, 2690, 3070, 4582, 7801, 8903, 11455, 15602, 17806, 21251, 22910, 24253, 39005, 42502, 44515, 48506, 78010, 82583, 89030, 106255, 121265, 165166, 212510, 242530, 412915, 616279, 703337, 825830, 1232558, 1406674, 2394907, 3081395, 3516685, 4789814, 6162790, 6524057, 7033370, 11974535, 13048114, 23949070, 32620285, 65240570, 189197653, 378395306, 945988265, 1891976530]

約数ペア:

[(1, 1891976530), (2, 945988265), (5, 378395306), (10, 189197653), (29, 65240570), (58, 32620285), (79, 23949070), (145, 13048114), (158, 11974535), (269, 7033370), (290, 6524057), (307, 6162790), (395, 4789814), (538, 3516685), (614, 3081395), (790, 2394907), (1345, 1406674), (1535, 1232558), (2291, 825830), (2690, 703337), (3070, 616279), (4582, 412915), (7801, 242530), (8903, 212510), (11455, 165166), (15602, 121265), (17806, 106255), (21251, 89030), (22910, 82583), (24253, 78010), (39005, 48506), (42502, 44515)]