28161990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:458

約数の個数: 96

約数和(自身を含む): 79073280

約数和(自身を除く): 50911290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 43, 45, 57, 86, 90, 95, 114, 129, 171, 190, 215, 258, 285, 342, 383, 387, 430, 570, 645, 766, 774, 817, 855, 1149, 1290, 1634, 1710, 1915, 1935, 2298, 2451, 3447, 3830, 3870, 4085, 4902, 5745, 6894, 7277, 7353, 8170, 11490, 12255, 14554, 14706, 16469, 17235, 21831, 24510, 32938, 34470, 36385, 36765, 43662, 49407, 65493, 72770, 73530, 82345, 98814, 109155, 130986, 148221, 164690, 218310, 247035, 296442, 312911, 327465, 494070, 625822, 654930, 741105, 938733, 1482210, 1564555, 1877466, 2816199, 3129110, 4693665, 5632398, 9387330, 14080995, 28161990]

約数ペア:

[(1, 28161990), (2, 14080995), (3, 9387330), (5, 5632398), (6, 4693665), (9, 3129110), (10, 2816199), (15, 1877466), (18, 1564555), (19, 1482210), (30, 938733), (38, 741105), (43, 654930), (45, 625822), (57, 494070), (86, 327465), (90, 312911), (95, 296442), (114, 247035), (129, 218310), (171, 164690), (190, 148221), (215, 130986), (258, 109155), (285, 98814), (342, 82345), (383, 73530), (387, 72770), (430, 65493), (570, 49407), (645, 43662), (766, 36765), (774, 36385), (817, 34470), (855, 32938), (1149, 24510), (1290, 21831), (1634, 17235), (1710, 16469), (1915, 14706), (1935, 14554), (2298, 12255), (2451, 11490), (3447, 8170), (3830, 7353), (3870, 7277), (4085, 6894), (4902, 5745)]