284000000

素因数分解:

$2^8\times 5^6\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 126

約数和(自身を含む): 718584552

約数和(自身を除く): 434584552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 125, 128, 142, 160, 200, 250, 256, 284, 320, 355, 400, 500, 568, 625, 640, 710, 800, 1000, 1136, 1250, 1280, 1420, 1600, 1775, 2000, 2272, 2500, 2840, 3125, 3200, 3550, 4000, 4544, 5000, 5680, 6250, 6400, 7100, 8000, 8875, 9088, 10000, 11360, 12500, 14200, 15625, 16000, 17750, 18176, 20000, 22720, 25000, 28400, 31250, 32000, 35500, 40000, 44375, 45440, 50000, 56800, 62500, 71000, 80000, 88750, 90880, 100000, 113600, 125000, 142000, 160000, 177500, 200000, 221875, 227200, 250000, 284000, 355000, 400000, 443750, 454400, 500000, 568000, 710000, 800000, 887500, 1000000, 1109375, 1136000, 1420000, 1775000, 2000000, 2218750, 2272000, 2840000, 3550000, 4000000, 4437500, 5680000, 7100000, 8875000, 11360000, 14200000, 17750000, 28400000, 35500000, 56800000, 71000000, 142000000, 284000000]

約数ペア:

[(1, 284000000), (2, 142000000), (4, 71000000), (5, 56800000), (8, 35500000), (10, 28400000), (16, 17750000), (20, 14200000), (25, 11360000), (32, 8875000), (40, 7100000), (50, 5680000), (64, 4437500), (71, 4000000), (80, 3550000), (100, 2840000), (125, 2272000), (128, 2218750), (142, 2000000), (160, 1775000), (200, 1420000), (250, 1136000), (256, 1109375), (284, 1000000), (320, 887500), (355, 800000), (400, 710000), (500, 568000), (568, 500000), (625, 454400), (640, 443750), (710, 400000), (800, 355000), (1000, 284000), (1136, 250000), (1250, 227200), (1280, 221875), (1420, 200000), (1600, 177500), (1775, 160000), (2000, 142000), (2272, 125000), (2500, 113600), (2840, 100000), (3125, 90880), (3200, 88750), (3550, 80000), (4000, 71000), (4544, 62500), (5000, 56800), (5680, 50000), (6250, 45440), (6400, 44375), (7100, 40000), (8000, 35500), (8875, 32000), (9088, 31250), (10000, 28400), (11360, 25000), (12500, 22720), (14200, 20000), (15625, 18176), (16000, 17750)]