420239344

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1358

約数の個数: 80

約数和(自身を含む): 966366720

約数和(自身を除く): 546127376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 71, 86, 112, 142, 172, 284, 301, 344, 497, 568, 602, 688, 994, 1136, 1204, 1229, 1988, 2408, 2458, 3053, 3976, 4816, 4916, 6106, 7952, 8603, 9832, 12212, 17206, 19664, 21371, 24424, 34412, 42742, 48848, 52847, 68824, 85484, 87259, 105694, 137648, 170968, 174518, 211388, 341936, 349036, 369929, 422776, 610813, 698072, 739858, 845552, 1221626, 1396144, 1479716, 2443252, 2959432, 3752137, 4886504, 5918864, 7504274, 9773008, 15008548, 26264959, 30017096, 52529918, 60034192, 105059836, 210119672, 420239344]

約数ペア:

[(1, 420239344), (2, 210119672), (4, 105059836), (7, 60034192), (8, 52529918), (14, 30017096), (16, 26264959), (28, 15008548), (43, 9773008), (56, 7504274), (71, 5918864), (86, 4886504), (112, 3752137), (142, 2959432), (172, 2443252), (284, 1479716), (301, 1396144), (344, 1221626), (497, 845552), (568, 739858), (602, 698072), (688, 610813), (994, 422776), (1136, 369929), (1204, 349036), (1229, 341936), (1988, 211388), (2408, 174518), (2458, 170968), (3053, 137648), (3976, 105694), (4816, 87259), (4916, 85484), (6106, 68824), (7952, 52847), (8603, 48848), (9832, 42742), (12212, 34412), (17206, 24424), (19664, 21371)]