207875770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 420940800

約数和(自身を除く): 213065030

約数列:

[1, 2, 5, 10, 19, 29, 31, 38, 58, 62, 95, 145, 155, 190, 290, 310, 551, 589, 899, 1102, 1178, 1217, 1798, 2434, 2755, 2945, 4495, 5510, 5890, 6085, 8990, 12170, 17081, 23123, 34162, 35293, 37727, 46246, 70586, 75454, 85405, 115615, 170810, 176465, 188635, 231230, 352930, 377270, 670567, 716813, 1094083, 1341134, 1433626, 2188166, 3352835, 3584065, 5470415, 6705670, 7168130, 10940830, 20787577, 41575154, 103937885, 207875770]

約数ペア:

[(1, 207875770), (2, 103937885), (5, 41575154), (10, 20787577), (19, 10940830), (29, 7168130), (31, 6705670), (38, 5470415), (58, 3584065), (62, 3352835), (95, 2188166), (145, 1433626), (155, 1341134), (190, 1094083), (290, 716813), (310, 670567), (551, 377270), (589, 352930), (899, 231230), (1102, 188635), (1178, 176465), (1217, 170810), (1798, 115615), (2434, 85405), (2755, 75454), (2945, 70586), (4495, 46246), (5510, 37727), (5890, 35293), (6085, 34162), (8990, 23123), (12170, 17081)]