248888925

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2099}}^1$

素因数の和:2163

約数の個数: 72

約数和(自身を含む): 487468800

約数和(自身を除く): 238579875

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 51, 75, 85, 93, 153, 155, 225, 255, 279, 425, 465, 527, 765, 775, 1275, 1395, 1581, 2099, 2325, 2635, 3825, 4743, 6297, 6975, 7905, 10495, 13175, 18891, 23715, 31485, 35683, 39525, 52475, 65069, 94455, 107049, 118575, 157425, 178415, 195207, 321147, 325345, 472275, 535245, 585621, 892075, 976035, 1106173, 1605735, 1626725, 2676225, 2928105, 3318519, 4880175, 5530865, 8028675, 9955557, 14640525, 16592595, 27654325, 49777785, 82962975, 248888925]

約数ペア:

[(1, 248888925), (3, 82962975), (5, 49777785), (9, 27654325), (15, 16592595), (17, 14640525), (25, 9955557), (31, 8028675), (45, 5530865), (51, 4880175), (75, 3318519), (85, 2928105), (93, 2676225), (153, 1626725), (155, 1605735), (225, 1106173), (255, 976035), (279, 892075), (425, 585621), (465, 535245), (527, 472275), (765, 325345), (775, 321147), (1275, 195207), (1395, 178415), (1581, 157425), (2099, 118575), (2325, 107049), (2635, 94455), (3825, 65069), (4743, 52475), (6297, 39525), (6975, 35683), (7905, 31485), (10495, 23715), (13175, 18891)]