27982250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 56833920

約数和(自身を除く): 28851670

約数列:

[1, 2, 5, 10, 19, 25, 38, 43, 50, 86, 95, 125, 137, 190, 215, 250, 274, 430, 475, 685, 817, 950, 1075, 1370, 1634, 2150, 2375, 2603, 3425, 4085, 4750, 5206, 5375, 5891, 6850, 8170, 10750, 11782, 13015, 17125, 20425, 26030, 29455, 34250, 40850, 58910, 65075, 102125, 111929, 130150, 147275, 204250, 223858, 294550, 325375, 559645, 650750, 736375, 1119290, 1472750, 2798225, 5596450, 13991125, 27982250]

約数ペア:

[(1, 27982250), (2, 13991125), (5, 5596450), (10, 2798225), (19, 1472750), (25, 1119290), (38, 736375), (43, 650750), (50, 559645), (86, 325375), (95, 294550), (125, 223858), (137, 204250), (190, 147275), (215, 130150), (250, 111929), (274, 102125), (430, 65075), (475, 58910), (685, 40850), (817, 34250), (950, 29455), (1075, 26030), (1370, 20425), (1634, 17125), (2150, 13015), (2375, 11782), (2603, 10750), (3425, 8170), (4085, 6850), (4750, 5891), (5206, 5375)]