988890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 2882304

約数和(自身を除く): 1893414

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 277, 357, 510, 554, 595, 714, 831, 1190, 1385, 1662, 1785, 1939, 2770, 3570, 3878, 4155, 4709, 5817, 8310, 9418, 9695, 11634, 14127, 19390, 23545, 28254, 29085, 32963, 47090, 58170, 65926, 70635, 98889, 141270, 164815, 197778, 329630, 494445, 988890]

約数ペア:

[(1, 988890), (2, 494445), (3, 329630), (5, 197778), (6, 164815), (7, 141270), (10, 98889), (14, 70635), (15, 65926), (17, 58170), (21, 47090), (30, 32963), (34, 29085), (35, 28254), (42, 23545), (51, 19390), (70, 14127), (85, 11634), (102, 9695), (105, 9418), (119, 8310), (170, 5817), (210, 4709), (238, 4155), (255, 3878), (277, 3570), (357, 2770), (510, 1939), (554, 1785), (595, 1662), (714, 1385), (831, 1190)]