49977980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 121551360

約数和(自身を除く): 71573380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 67, 76, 95, 130, 134, 151, 190, 247, 260, 268, 302, 335, 380, 494, 604, 670, 755, 871, 988, 1235, 1273, 1340, 1510, 1742, 1963, 2470, 2546, 2869, 3020, 3484, 3926, 4355, 4940, 5092, 5738, 6365, 7852, 8710, 9815, 10117, 11476, 12730, 14345, 16549, 17420, 19630, 20234, 25460, 28690, 33098, 37297, 39260, 40468, 50585, 57380, 66196, 74594, 82745, 101170, 131521, 149188, 165490, 186485, 192223, 202340, 263042, 330980, 372970, 384446, 526084, 657605, 745940, 768892, 961115, 1315210, 1922230, 2498899, 2630420, 3844460, 4997798, 9995596, 12494495, 24988990, 49977980]

約数ペア:

[(1, 49977980), (2, 24988990), (4, 12494495), (5, 9995596), (10, 4997798), (13, 3844460), (19, 2630420), (20, 2498899), (26, 1922230), (38, 1315210), (52, 961115), (65, 768892), (67, 745940), (76, 657605), (95, 526084), (130, 384446), (134, 372970), (151, 330980), (190, 263042), (247, 202340), (260, 192223), (268, 186485), (302, 165490), (335, 149188), (380, 131521), (494, 101170), (604, 82745), (670, 74594), (755, 66196), (871, 57380), (988, 50585), (1235, 40468), (1273, 39260), (1340, 37297), (1510, 33098), (1742, 28690), (1963, 25460), (2470, 20234), (2546, 19630), (2869, 17420), (3020, 16549), (3484, 14345), (3926, 12730), (4355, 11476), (4940, 10117), (5092, 9815), (5738, 8710), (6365, 7852)]