2019011900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{14813}}^1$

素因数の和:14903

約数の個数: 72

約数和(自身を含む): 4629078720

約数和(自身を除く): 2610066820

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 47, 50, 58, 94, 100, 116, 145, 188, 235, 290, 470, 580, 725, 940, 1175, 1363, 1450, 2350, 2726, 2900, 4700, 5452, 6815, 13630, 14813, 27260, 29626, 34075, 59252, 68150, 74065, 136300, 148130, 296260, 370325, 429577, 696211, 740650, 859154, 1392422, 1481300, 1718308, 2147885, 2784844, 3481055, 4295770, 6962110, 8591540, 10739425, 13924220, 17405275, 20190119, 21478850, 34810550, 40380238, 42957700, 69621100, 80760476, 100950595, 201901190, 403802380, 504752975, 1009505950, 2019011900]

約数ペア:

[(1, 2019011900), (2, 1009505950), (4, 504752975), (5, 403802380), (10, 201901190), (20, 100950595), (25, 80760476), (29, 69621100), (47, 42957700), (50, 40380238), (58, 34810550), (94, 21478850), (100, 20190119), (116, 17405275), (145, 13924220), (188, 10739425), (235, 8591540), (290, 6962110), (470, 4295770), (580, 3481055), (725, 2784844), (940, 2147885), (1175, 1718308), (1363, 1481300), (1450, 1392422), (2350, 859154), (2726, 740650), (2900, 696211), (4700, 429577), (5452, 370325), (6815, 296260), (13630, 148130), (14813, 136300), (27260, 74065), (29626, 68150), (34075, 59252)]