316000000

素因数分解:

$2^8\times 5^6\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 126

約数和(自身を含む): 798427280

約数和(自身を除く): 482427280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 125, 128, 158, 160, 200, 250, 256, 316, 320, 395, 400, 500, 625, 632, 640, 790, 800, 1000, 1250, 1264, 1280, 1580, 1600, 1975, 2000, 2500, 2528, 3125, 3160, 3200, 3950, 4000, 5000, 5056, 6250, 6320, 6400, 7900, 8000, 9875, 10000, 10112, 12500, 12640, 15625, 15800, 16000, 19750, 20000, 20224, 25000, 25280, 31250, 31600, 32000, 39500, 40000, 49375, 50000, 50560, 62500, 63200, 79000, 80000, 98750, 100000, 101120, 125000, 126400, 158000, 160000, 197500, 200000, 246875, 250000, 252800, 316000, 395000, 400000, 493750, 500000, 505600, 632000, 790000, 800000, 987500, 1000000, 1234375, 1264000, 1580000, 1975000, 2000000, 2468750, 2528000, 3160000, 3950000, 4000000, 4937500, 6320000, 7900000, 9875000, 12640000, 15800000, 19750000, 31600000, 39500000, 63200000, 79000000, 158000000, 316000000]

約数ペア:

[(1, 316000000), (2, 158000000), (4, 79000000), (5, 63200000), (8, 39500000), (10, 31600000), (16, 19750000), (20, 15800000), (25, 12640000), (32, 9875000), (40, 7900000), (50, 6320000), (64, 4937500), (79, 4000000), (80, 3950000), (100, 3160000), (125, 2528000), (128, 2468750), (158, 2000000), (160, 1975000), (200, 1580000), (250, 1264000), (256, 1234375), (316, 1000000), (320, 987500), (395, 800000), (400, 790000), (500, 632000), (625, 505600), (632, 500000), (640, 493750), (790, 400000), (800, 395000), (1000, 316000), (1250, 252800), (1264, 250000), (1280, 246875), (1580, 200000), (1600, 197500), (1975, 160000), (2000, 158000), (2500, 126400), (2528, 125000), (3125, 101120), (3160, 100000), (3200, 98750), (3950, 80000), (4000, 79000), (5000, 63200), (5056, 62500), (6250, 50560), (6320, 50000), (6400, 49375), (7900, 40000), (8000, 39500), (9875, 32000), (10000, 31600), (10112, 31250), (12500, 25280), (12640, 25000), (15625, 20224), (15800, 20000), (16000, 19750)]