520000856

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 1042329600

約数和(自身を除く): 522328744

約数列:

[1, 2, 4, 8, 29, 47, 58, 94, 103, 116, 188, 206, 232, 376, 412, 463, 824, 926, 1363, 1852, 2726, 2987, 3704, 4841, 5452, 5974, 9682, 10904, 11948, 13427, 19364, 21761, 23896, 26854, 38728, 43522, 47689, 53708, 87044, 95378, 107416, 140389, 174088, 190756, 280778, 381512, 561556, 631069, 1123112, 1262138, 1382981, 2241383, 2524276, 2765962, 4482766, 5048552, 5531924, 8965532, 11063848, 17931064, 65000107, 130000214, 260000428, 520000856]

約数ペア:

[(1, 520000856), (2, 260000428), (4, 130000214), (8, 65000107), (29, 17931064), (47, 11063848), (58, 8965532), (94, 5531924), (103, 5048552), (116, 4482766), (188, 2765962), (206, 2524276), (232, 2241383), (376, 1382981), (412, 1262138), (463, 1123112), (824, 631069), (926, 561556), (1363, 381512), (1852, 280778), (2726, 190756), (2987, 174088), (3704, 140389), (4841, 107416), (5452, 95378), (5974, 87044), (9682, 53708), (10904, 47689), (11948, 43522), (13427, 38728), (19364, 26854), (21761, 23896)]