349916960

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1301}}^1$

素因数の和:1398

約数の個数: 72

約数和(自身を含む): 847984788

約数和(自身を除く): 498067828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1301, 1312, 1640, 1681, 2602, 3280, 3362, 5204, 6505, 6560, 6724, 8405, 10408, 13010, 13448, 16810, 20816, 26020, 26896, 33620, 41632, 52040, 53341, 53792, 67240, 104080, 106682, 134480, 208160, 213364, 266705, 268960, 426728, 533410, 853456, 1066820, 1706912, 2133640, 2186981, 4267280, 4373962, 8534560, 8747924, 10934905, 17495848, 21869810, 34991696, 43739620, 69983392, 87479240, 174958480, 349916960]

約数ペア:

[(1, 349916960), (2, 174958480), (4, 87479240), (5, 69983392), (8, 43739620), (10, 34991696), (16, 21869810), (20, 17495848), (32, 10934905), (40, 8747924), (41, 8534560), (80, 4373962), (82, 4267280), (160, 2186981), (164, 2133640), (205, 1706912), (328, 1066820), (410, 853456), (656, 533410), (820, 426728), (1301, 268960), (1312, 266705), (1640, 213364), (1681, 208160), (2602, 134480), (3280, 106682), (3362, 104080), (5204, 67240), (6505, 53792), (6560, 53341), (6724, 52040), (8405, 41632), (10408, 33620), (13010, 26896), (13448, 26020), (16810, 20816)]