205047900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1663}}^1$

素因数の和:1820

約数の個数: 108

約数和(自身を含む): 647791872

約数和(自身を除く): 442743972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 137, 150, 180, 225, 274, 300, 411, 450, 548, 685, 822, 900, 1233, 1370, 1644, 1663, 2055, 2466, 2740, 3326, 3425, 4110, 4932, 4989, 6165, 6652, 6850, 8220, 8315, 9978, 10275, 12330, 13700, 14967, 16630, 19956, 20550, 24660, 24945, 29934, 30825, 33260, 41100, 41575, 49890, 59868, 61650, 74835, 83150, 99780, 123300, 124725, 149670, 166300, 227831, 249450, 299340, 374175, 455662, 498900, 683493, 748350, 911324, 1139155, 1366986, 1496700, 2050479, 2278310, 2733972, 3417465, 4100958, 4556620, 5695775, 6834930, 8201916, 10252395, 11391550, 13669860, 17087325, 20504790, 22783100, 34174650, 41009580, 51261975, 68349300, 102523950, 205047900]

約数ペア:

[(1, 205047900), (2, 102523950), (3, 68349300), (4, 51261975), (5, 41009580), (6, 34174650), (9, 22783100), (10, 20504790), (12, 17087325), (15, 13669860), (18, 11391550), (20, 10252395), (25, 8201916), (30, 6834930), (36, 5695775), (45, 4556620), (50, 4100958), (60, 3417465), (75, 2733972), (90, 2278310), (100, 2050479), (137, 1496700), (150, 1366986), (180, 1139155), (225, 911324), (274, 748350), (300, 683493), (411, 498900), (450, 455662), (548, 374175), (685, 299340), (822, 249450), (900, 227831), (1233, 166300), (1370, 149670), (1644, 124725), (1663, 123300), (2055, 99780), (2466, 83150), (2740, 74835), (3326, 61650), (3425, 59868), (4110, 49890), (4932, 41575), (4989, 41100), (6165, 33260), (6652, 30825), (6850, 29934), (8220, 24945), (8315, 24660), (9978, 20550), (10275, 19956), (12330, 16630), (13700, 14967)]