31314500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 81768960

約数和(自身を除く): 50454460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 125, 140, 161, 175, 230, 250, 322, 350, 389, 460, 500, 575, 644, 700, 778, 805, 875, 1150, 1556, 1610, 1750, 1945, 2300, 2723, 2875, 3220, 3500, 3890, 4025, 5446, 5750, 7780, 8050, 8947, 9725, 10892, 11500, 13615, 16100, 17894, 19450, 20125, 27230, 35788, 38900, 40250, 44735, 48625, 54460, 62629, 68075, 80500, 89470, 97250, 125258, 136150, 178940, 194500, 223675, 250516, 272300, 313145, 340375, 447350, 626290, 680750, 894700, 1118375, 1252580, 1361500, 1565725, 2236750, 3131450, 4473500, 6262900, 7828625, 15657250, 31314500]

約数ペア:

[(1, 31314500), (2, 15657250), (4, 7828625), (5, 6262900), (7, 4473500), (10, 3131450), (14, 2236750), (20, 1565725), (23, 1361500), (25, 1252580), (28, 1118375), (35, 894700), (46, 680750), (50, 626290), (70, 447350), (92, 340375), (100, 313145), (115, 272300), (125, 250516), (140, 223675), (161, 194500), (175, 178940), (230, 136150), (250, 125258), (322, 97250), (350, 89470), (389, 80500), (460, 68075), (500, 62629), (575, 54460), (644, 48625), (700, 44735), (778, 40250), (805, 38900), (875, 35788), (1150, 27230), (1556, 20125), (1610, 19450), (1750, 17894), (1945, 16100), (2300, 13615), (2723, 11500), (2875, 10892), (3220, 9725), (3500, 8947), (3890, 8050), (4025, 7780), (5446, 5750)]