17215850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 34283520

約数和(自身を除く): 17067670

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 383, 725, 766, 775, 899, 1450, 1550, 1798, 1915, 3830, 4495, 8990, 9575, 11107, 11873, 19150, 22214, 22475, 23746, 44950, 55535, 59365, 111070, 118730, 277675, 296825, 344317, 555350, 593650, 688634, 1721585, 3443170, 8607925, 17215850]

約数ペア:

[(1, 17215850), (2, 8607925), (5, 3443170), (10, 1721585), (25, 688634), (29, 593650), (31, 555350), (50, 344317), (58, 296825), (62, 277675), (145, 118730), (155, 111070), (290, 59365), (310, 55535), (383, 44950), (725, 23746), (766, 22475), (775, 22214), (899, 19150), (1450, 11873), (1550, 11107), (1798, 9575), (1915, 8990), (3830, 4495)]