53077780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1385

約数の個数: 72

約数和(自身を含む): 132924456

約数和(自身を除く): 79846676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1321, 1435, 2009, 2642, 2870, 4018, 5284, 5740, 6605, 8036, 9247, 10045, 13210, 18494, 20090, 26420, 36988, 40180, 46235, 54161, 64729, 92470, 108322, 129458, 184940, 216644, 258916, 270805, 323645, 379127, 541610, 647290, 758254, 1083220, 1294580, 1516508, 1895635, 2653889, 3791270, 5307778, 7582540, 10615556, 13269445, 26538890, 53077780]

約数ペア:

[(1, 53077780), (2, 26538890), (4, 13269445), (5, 10615556), (7, 7582540), (10, 5307778), (14, 3791270), (20, 2653889), (28, 1895635), (35, 1516508), (41, 1294580), (49, 1083220), (70, 758254), (82, 647290), (98, 541610), (140, 379127), (164, 323645), (196, 270805), (205, 258916), (245, 216644), (287, 184940), (410, 129458), (490, 108322), (574, 92470), (820, 64729), (980, 54161), (1148, 46235), (1321, 40180), (1435, 36988), (2009, 26420), (2642, 20090), (2870, 18494), (4018, 13210), (5284, 10045), (5740, 9247), (6605, 8036)]