212000000

素因数分解:

$2^8\times 5^6\times {\mathrm{53}}^1$

素因数の和:99

約数の個数: 126

約数和(自身を含む): 538938414

約数和(自身を除く): 326938414

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 125, 128, 160, 200, 212, 250, 256, 265, 320, 400, 424, 500, 530, 625, 640, 800, 848, 1000, 1060, 1250, 1280, 1325, 1600, 1696, 2000, 2120, 2500, 2650, 3125, 3200, 3392, 4000, 4240, 5000, 5300, 6250, 6400, 6625, 6784, 8000, 8480, 10000, 10600, 12500, 13250, 13568, 15625, 16000, 16960, 20000, 21200, 25000, 26500, 31250, 32000, 33125, 33920, 40000, 42400, 50000, 53000, 62500, 66250, 67840, 80000, 84800, 100000, 106000, 125000, 132500, 160000, 165625, 169600, 200000, 212000, 250000, 265000, 331250, 339200, 400000, 424000, 500000, 530000, 662500, 800000, 828125, 848000, 1000000, 1060000, 1325000, 1656250, 1696000, 2000000, 2120000, 2650000, 3312500, 4000000, 4240000, 5300000, 6625000, 8480000, 10600000, 13250000, 21200000, 26500000, 42400000, 53000000, 106000000, 212000000]

約数ペア:

[(1, 212000000), (2, 106000000), (4, 53000000), (5, 42400000), (8, 26500000), (10, 21200000), (16, 13250000), (20, 10600000), (25, 8480000), (32, 6625000), (40, 5300000), (50, 4240000), (53, 4000000), (64, 3312500), (80, 2650000), (100, 2120000), (106, 2000000), (125, 1696000), (128, 1656250), (160, 1325000), (200, 1060000), (212, 1000000), (250, 848000), (256, 828125), (265, 800000), (320, 662500), (400, 530000), (424, 500000), (500, 424000), (530, 400000), (625, 339200), (640, 331250), (800, 265000), (848, 250000), (1000, 212000), (1060, 200000), (1250, 169600), (1280, 165625), (1325, 160000), (1600, 132500), (1696, 125000), (2000, 106000), (2120, 100000), (2500, 84800), (2650, 80000), (3125, 67840), (3200, 66250), (3392, 62500), (4000, 53000), (4240, 50000), (5000, 42400), (5300, 40000), (6250, 33920), (6400, 33125), (6625, 32000), (6784, 31250), (8000, 26500), (8480, 25000), (10000, 21200), (10600, 20000), (12500, 16960), (13250, 16000), (13568, 15625)]