31270000

素因数分解:

$2^4\times 5^4\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 100

約数和(自身を含む): 78443640

約数和(自身を除く): 47173640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 59, 80, 100, 106, 118, 125, 200, 212, 236, 250, 265, 295, 400, 424, 472, 500, 530, 590, 625, 848, 944, 1000, 1060, 1180, 1250, 1325, 1475, 2000, 2120, 2360, 2500, 2650, 2950, 3127, 4240, 4720, 5000, 5300, 5900, 6254, 6625, 7375, 10000, 10600, 11800, 12508, 13250, 14750, 15635, 21200, 23600, 25016, 26500, 29500, 31270, 33125, 36875, 50032, 53000, 59000, 62540, 66250, 73750, 78175, 106000, 118000, 125080, 132500, 147500, 156350, 250160, 265000, 295000, 312700, 390875, 530000, 590000, 625400, 781750, 1250800, 1563500, 1954375, 3127000, 3908750, 6254000, 7817500, 15635000, 31270000]

約数ペア:

[(1, 31270000), (2, 15635000), (4, 7817500), (5, 6254000), (8, 3908750), (10, 3127000), (16, 1954375), (20, 1563500), (25, 1250800), (40, 781750), (50, 625400), (53, 590000), (59, 530000), (80, 390875), (100, 312700), (106, 295000), (118, 265000), (125, 250160), (200, 156350), (212, 147500), (236, 132500), (250, 125080), (265, 118000), (295, 106000), (400, 78175), (424, 73750), (472, 66250), (500, 62540), (530, 59000), (590, 53000), (625, 50032), (848, 36875), (944, 33125), (1000, 31270), (1060, 29500), (1180, 26500), (1250, 25016), (1325, 23600), (1475, 21200), (2000, 15635), (2120, 14750), (2360, 13250), (2500, 12508), (2650, 11800), (2950, 10600), (3127, 10000), (4240, 7375), (4720, 6625), (5000, 6254), (5300, 5900)]