248249560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{797}}^1$

素因数の和:1420

約数の個数: 64

約数和(自身を含む): 603288000

約数和(自身を除く): 355038440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 599, 797, 1198, 1594, 2396, 2995, 3188, 3985, 4792, 5990, 6376, 7787, 7970, 10361, 11980, 15574, 15940, 20722, 23960, 31148, 31880, 38935, 41444, 51805, 62296, 77870, 82888, 103610, 155740, 207220, 311480, 414440, 477403, 954806, 1909612, 2387015, 3819224, 4774030, 6206239, 9548060, 12412478, 19096120, 24824956, 31031195, 49649912, 62062390, 124124780, 248249560]

約数ペア:

[(1, 248249560), (2, 124124780), (4, 62062390), (5, 49649912), (8, 31031195), (10, 24824956), (13, 19096120), (20, 12412478), (26, 9548060), (40, 6206239), (52, 4774030), (65, 3819224), (104, 2387015), (130, 1909612), (260, 954806), (520, 477403), (599, 414440), (797, 311480), (1198, 207220), (1594, 155740), (2396, 103610), (2995, 82888), (3188, 77870), (3985, 62296), (4792, 51805), (5990, 41444), (6376, 38935), (7787, 31880), (7970, 31148), (10361, 23960), (11980, 20722), (15574, 15940)]