210810320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19813}}^1$

素因数の和:19852

約数の個数: 80

約数和(自身を含む): 589664640

約数和(自身を除く): 378854320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 19813, 39626, 79252, 99065, 138691, 158504, 198130, 277382, 317008, 376447, 396260, 554764, 693455, 752894, 792520, 1109528, 1386910, 1505788, 1585040, 1882235, 2219056, 2635129, 2773820, 3011576, 3764470, 5270258, 5547640, 6023152, 7528940, 10540516, 11095280, 13175645, 15057880, 21081032, 26351290, 30115760, 42162064, 52702580, 105405160, 210810320]

約数ペア:

[(1, 210810320), (2, 105405160), (4, 52702580), (5, 42162064), (7, 30115760), (8, 26351290), (10, 21081032), (14, 15057880), (16, 13175645), (19, 11095280), (20, 10540516), (28, 7528940), (35, 6023152), (38, 5547640), (40, 5270258), (56, 3764470), (70, 3011576), (76, 2773820), (80, 2635129), (95, 2219056), (112, 1882235), (133, 1585040), (140, 1505788), (152, 1386910), (190, 1109528), (266, 792520), (280, 752894), (304, 693455), (380, 554764), (532, 396260), (560, 376447), (665, 317008), (760, 277382), (1064, 198130), (1330, 158504), (1520, 138691), (2128, 99065), (2660, 79252), (5320, 39626), (10640, 19813)]