207910255

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 324725760

約数和(自身を除く): 116815505

約数列:

[1, 5, 7, 17, 19, 35, 53, 85, 95, 119, 133, 265, 323, 347, 371, 595, 665, 901, 1007, 1615, 1735, 1855, 2261, 2429, 4505, 5035, 5899, 6307, 6593, 7049, 11305, 12145, 17119, 18391, 29495, 31535, 32965, 35245, 41293, 46151, 85595, 91955, 112081, 119833, 128737, 206465, 230755, 312647, 349429, 560405, 599165, 643685, 784567, 1563235, 1747145, 2188529, 2446003, 3922835, 5940293, 10942645, 12230015, 29701465, 41582051, 207910255]

約数ペア:

[(1, 207910255), (5, 41582051), (7, 29701465), (17, 12230015), (19, 10942645), (35, 5940293), (53, 3922835), (85, 2446003), (95, 2188529), (119, 1747145), (133, 1563235), (265, 784567), (323, 643685), (347, 599165), (371, 560405), (595, 349429), (665, 312647), (901, 230755), (1007, 206465), (1615, 128737), (1735, 119833), (1855, 112081), (2261, 91955), (2429, 85595), (4505, 46151), (5035, 41293), (5899, 35245), (6307, 32965), (6593, 31535), (7049, 29495), (11305, 18391), (12145, 17119)]