690641840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1237}}^1$

素因数の和:2254

約数の個数: 80

約数和(自身を含む): 1838459712

約数和(自身を除く): 1147817872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 997, 1237, 1994, 2474, 3988, 4948, 4985, 6185, 6979, 7976, 8659, 9896, 9970, 12370, 13958, 15952, 17318, 19792, 19940, 24740, 27916, 34636, 34895, 39880, 43295, 49480, 55832, 69272, 69790, 79760, 86590, 98960, 111664, 138544, 139580, 173180, 279160, 346360, 558320, 692720, 1233289, 2466578, 4933156, 6166445, 8633023, 9866312, 12332890, 17266046, 19732624, 24665780, 34532092, 43165115, 49331560, 69064184, 86330230, 98663120, 138128368, 172660460, 345320920, 690641840]

約数ペア:

[(1, 690641840), (2, 345320920), (4, 172660460), (5, 138128368), (7, 98663120), (8, 86330230), (10, 69064184), (14, 49331560), (16, 43165115), (20, 34532092), (28, 24665780), (35, 19732624), (40, 17266046), (56, 12332890), (70, 9866312), (80, 8633023), (112, 6166445), (140, 4933156), (280, 2466578), (560, 1233289), (997, 692720), (1237, 558320), (1994, 346360), (2474, 279160), (3988, 173180), (4948, 139580), (4985, 138544), (6185, 111664), (6979, 98960), (7976, 86590), (8659, 79760), (9896, 69790), (9970, 69272), (12370, 55832), (13958, 49480), (15952, 43295), (17318, 39880), (19792, 34895), (19940, 34636), (24740, 27916)]