961802500

素因数分解:

$2^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:479

約数の個数: 120

約数和(自身を含む): 2251529280

約数和(自身を除く): 1289726780

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 125, 172, 215, 230, 250, 389, 430, 460, 500, 575, 625, 778, 860, 989, 1075, 1150, 1250, 1556, 1945, 1978, 2150, 2300, 2500, 2875, 3890, 3956, 4300, 4945, 5375, 5750, 7780, 8947, 9725, 9890, 10750, 11500, 14375, 16727, 17894, 19450, 19780, 21500, 24725, 26875, 28750, 33454, 35788, 38900, 44735, 48625, 49450, 53750, 57500, 66908, 83635, 89470, 97250, 98900, 107500, 123625, 167270, 178940, 194500, 223675, 243125, 247250, 334540, 384721, 418175, 447350, 486250, 494500, 618125, 769442, 836350, 894700, 972500, 1118375, 1236250, 1538884, 1672700, 1923605, 2090875, 2236750, 2472500, 3847210, 4181750, 4473500, 5591875, 7694420, 8363500, 9618025, 10454375, 11183750, 19236050, 20908750, 22367500, 38472100, 41817500, 48090125, 96180250, 192360500, 240450625, 480901250, 961802500]

約数ペア:

[(1, 961802500), (2, 480901250), (4, 240450625), (5, 192360500), (10, 96180250), (20, 48090125), (23, 41817500), (25, 38472100), (43, 22367500), (46, 20908750), (50, 19236050), (86, 11183750), (92, 10454375), (100, 9618025), (115, 8363500), (125, 7694420), (172, 5591875), (215, 4473500), (230, 4181750), (250, 3847210), (389, 2472500), (430, 2236750), (460, 2090875), (500, 1923605), (575, 1672700), (625, 1538884), (778, 1236250), (860, 1118375), (989, 972500), (1075, 894700), (1150, 836350), (1250, 769442), (1556, 618125), (1945, 494500), (1978, 486250), (2150, 447350), (2300, 418175), (2500, 384721), (2875, 334540), (3890, 247250), (3956, 243125), (4300, 223675), (4945, 194500), (5375, 178940), (5750, 167270), (7780, 123625), (8947, 107500), (9725, 98900), (9890, 97250), (10750, 89470), (11500, 83635), (14375, 66908), (16727, 57500), (17894, 53750), (19450, 49450), (19780, 48625), (21500, 44735), (24725, 38900), (26875, 35788), (28750, 33454)]