208530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{331}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 621504

約数和(自身を除く): 412974

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 331, 630, 662, 993, 1655, 1986, 2317, 2979, 3310, 4634, 4965, 5958, 6951, 9930, 11585, 13902, 14895, 20853, 23170, 29790, 34755, 41706, 69510, 104265, 208530]

約数ペア:

[(1, 208530), (2, 104265), (3, 69510), (5, 41706), (6, 34755), (7, 29790), (9, 23170), (10, 20853), (14, 14895), (15, 13902), (18, 11585), (21, 9930), (30, 6951), (35, 5958), (42, 4965), (45, 4634), (63, 3310), (70, 2979), (90, 2317), (105, 1986), (126, 1655), (210, 993), (315, 662), (331, 630)]