290845875

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 506068992

約数和(自身を除く): 215223117

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 127, 155, 197, 375, 381, 465, 591, 635, 775, 985, 1905, 2325, 2955, 3175, 3875, 3937, 4925, 6107, 9525, 11625, 11811, 14775, 15875, 18321, 19685, 24625, 25019, 30535, 47625, 59055, 73875, 75057, 91605, 98425, 125095, 152675, 295275, 375285, 458025, 492125, 625475, 763375, 775589, 1476375, 1876425, 2290125, 2326767, 3127375, 3877945, 9382125, 11633835, 19389725, 58169175, 96948625, 290845875]

約数ペア:

[(1, 290845875), (3, 96948625), (5, 58169175), (15, 19389725), (25, 11633835), (31, 9382125), (75, 3877945), (93, 3127375), (125, 2326767), (127, 2290125), (155, 1876425), (197, 1476375), (375, 775589), (381, 763375), (465, 625475), (591, 492125), (635, 458025), (775, 375285), (985, 295275), (1905, 152675), (2325, 125095), (2955, 98425), (3175, 91605), (3875, 75057), (3937, 73875), (4925, 59055), (6107, 47625), (9525, 30535), (11625, 25019), (11811, 24625), (14775, 19685), (15875, 18321)]