394397920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1009}}^1$

素因数の和:1380

約数の個数: 96

約数和(自身を含む): 1068984000

約数和(自身を除く): 674586080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 349, 560, 698, 1009, 1120, 1396, 1745, 2018, 2443, 2792, 3490, 4036, 4886, 5045, 5584, 6980, 7063, 8072, 9772, 10090, 11168, 12215, 13960, 14126, 16144, 19544, 20180, 24430, 27920, 28252, 32288, 35315, 39088, 40360, 48860, 55840, 56504, 70630, 78176, 80720, 97720, 113008, 141260, 161440, 195440, 226016, 282520, 352141, 390880, 565040, 704282, 1130080, 1408564, 1760705, 2464987, 2817128, 3521410, 4929974, 5634256, 7042820, 9859948, 11268512, 12324935, 14085640, 19719896, 24649870, 28171280, 39439792, 49299740, 56342560, 78879584, 98599480, 197198960, 394397920]

約数ペア:

[(1, 394397920), (2, 197198960), (4, 98599480), (5, 78879584), (7, 56342560), (8, 49299740), (10, 39439792), (14, 28171280), (16, 24649870), (20, 19719896), (28, 14085640), (32, 12324935), (35, 11268512), (40, 9859948), (56, 7042820), (70, 5634256), (80, 4929974), (112, 3521410), (140, 2817128), (160, 2464987), (224, 1760705), (280, 1408564), (349, 1130080), (560, 704282), (698, 565040), (1009, 390880), (1120, 352141), (1396, 282520), (1745, 226016), (2018, 195440), (2443, 161440), (2792, 141260), (3490, 113008), (4036, 97720), (4886, 80720), (5045, 78176), (5584, 70630), (6980, 56504), (7063, 55840), (8072, 48860), (9772, 40360), (10090, 39088), (11168, 35315), (12215, 32288), (13960, 28252), (14126, 27920), (16144, 24430), (19544, 20180)]