788974580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 1768435200

約数和(自身を除く): 979460620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 79, 116, 134, 145, 158, 257, 268, 290, 316, 335, 395, 514, 580, 670, 790, 1028, 1285, 1340, 1580, 1943, 2291, 2570, 3886, 4582, 5140, 5293, 7453, 7772, 9164, 9715, 10586, 11455, 14906, 17219, 19430, 20303, 21172, 22910, 26465, 29812, 34438, 37265, 38860, 40606, 45820, 52930, 68876, 74530, 81212, 86095, 101515, 105860, 149060, 153497, 172190, 203030, 306994, 344380, 406060, 499351, 588787, 613988, 767485, 998702, 1177574, 1360301, 1534970, 1997404, 2355148, 2496755, 2720602, 2943935, 3069940, 4993510, 5441204, 5887870, 6801505, 9987020, 11775740, 13603010, 27206020, 39448729, 78897458, 157794916, 197243645, 394487290, 788974580]

約数ペア:

[(1, 788974580), (2, 394487290), (4, 197243645), (5, 157794916), (10, 78897458), (20, 39448729), (29, 27206020), (58, 13603010), (67, 11775740), (79, 9987020), (116, 6801505), (134, 5887870), (145, 5441204), (158, 4993510), (257, 3069940), (268, 2943935), (290, 2720602), (316, 2496755), (335, 2355148), (395, 1997404), (514, 1534970), (580, 1360301), (670, 1177574), (790, 998702), (1028, 767485), (1285, 613988), (1340, 588787), (1580, 499351), (1943, 406060), (2291, 344380), (2570, 306994), (3886, 203030), (4582, 172190), (5140, 153497), (5293, 149060), (7453, 105860), (7772, 101515), (9164, 86095), (9715, 81212), (10586, 74530), (11455, 68876), (14906, 52930), (17219, 45820), (19430, 40606), (20303, 38860), (21172, 37265), (22910, 34438), (26465, 29812)]