72907730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 160123392

約数和(自身を除く): 87215662

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 197, 238, 311, 394, 595, 622, 985, 1190, 1379, 1555, 1970, 2177, 2758, 3110, 3349, 4354, 5287, 6698, 6895, 10574, 10885, 13790, 16745, 21770, 23443, 26435, 33490, 37009, 46886, 52870, 61267, 74018, 117215, 122534, 185045, 234430, 306335, 370090, 428869, 612670, 857738, 1041539, 2083078, 2144345, 4288690, 5207695, 7290773, 10415390, 14581546, 36453865, 72907730]

約数ペア:

[(1, 72907730), (2, 36453865), (5, 14581546), (7, 10415390), (10, 7290773), (14, 5207695), (17, 4288690), (34, 2144345), (35, 2083078), (70, 1041539), (85, 857738), (119, 612670), (170, 428869), (197, 370090), (238, 306335), (311, 234430), (394, 185045), (595, 122534), (622, 117215), (985, 74018), (1190, 61267), (1379, 52870), (1555, 46886), (1970, 37009), (2177, 33490), (2758, 26435), (3110, 23443), (3349, 21770), (4354, 16745), (5287, 13790), (6698, 10885), (6895, 10574)]