991270

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^2$

素因数の和:62

約数の個数: 48

約数和(自身を含む): 2210400

約数和(自身を除く): 1219130

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 289, 343, 490, 578, 595, 686, 833, 1190, 1445, 1666, 1715, 2023, 2890, 3430, 4046, 4165, 5831, 8330, 10115, 11662, 14161, 20230, 28322, 29155, 58310, 70805, 99127, 141610, 198254, 495635, 991270]

約数ペア:

[(1, 991270), (2, 495635), (5, 198254), (7, 141610), (10, 99127), (14, 70805), (17, 58310), (34, 29155), (35, 28322), (49, 20230), (70, 14161), (85, 11662), (98, 10115), (119, 8330), (170, 5831), (238, 4165), (245, 4046), (289, 3430), (343, 2890), (490, 2023), (578, 1715), (595, 1666), (686, 1445), (833, 1190)]