2015511925

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 3217294080

約数和(自身を除く): 1201782155

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 175, 181, 197, 323, 425, 475, 595, 665, 905, 985, 1267, 1379, 1615, 2261, 2975, 3077, 3325, 3349, 3439, 3743, 4525, 4925, 6335, 6895, 8075, 11305, 15385, 16745, 17195, 18715, 21539, 23443, 24073, 26201, 31675, 34475, 35657, 56525, 58463, 63631, 76925, 83725, 85975, 93575, 107695, 117215, 120365, 131005, 178285, 249599, 292315, 318155, 409241, 445417, 538475, 586075, 601825, 606169, 655025, 677483, 891425, 1247995, 1461575, 1590775, 2046205, 2227085, 3030845, 3387415, 4243183, 4742381, 6239975, 10231025, 11135425, 11517211, 15154225, 16937075, 21215915, 23711905, 57586055, 80620477, 106079575, 118559525, 287930275, 403102385, 2015511925]

約数ペア:

[(1, 2015511925), (5, 403102385), (7, 287930275), (17, 118559525), (19, 106079575), (25, 80620477), (35, 57586055), (85, 23711905), (95, 21215915), (119, 16937075), (133, 15154225), (175, 11517211), (181, 11135425), (197, 10231025), (323, 6239975), (425, 4742381), (475, 4243183), (595, 3387415), (665, 3030845), (905, 2227085), (985, 2046205), (1267, 1590775), (1379, 1461575), (1615, 1247995), (2261, 891425), (2975, 677483), (3077, 655025), (3325, 606169), (3349, 601825), (3439, 586075), (3743, 538475), (4525, 445417), (4925, 409241), (6335, 318155), (6895, 292315), (8075, 249599), (11305, 178285), (15385, 131005), (16745, 120365), (17195, 117215), (18715, 107695), (21539, 93575), (23443, 85975), (24073, 83725), (26201, 76925), (31675, 63631), (34475, 58463), (35657, 56525)]