710000000

素因数分解:

$2^7\times 5^7\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 1792964160

約数和(自身を除く): 1082964160

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, 284, 320, 355, 400, 500, 568, 625, 640, 710, 800, 1000, 1136, 1250, 1420, 1600, 1775, 2000, 2272, 2500, 2840, 3125, 3200, 3550, 4000, 4544, 5000, 5680, 6250, 7100, 8000, 8875, 9088, 10000, 11360, 12500, 14200, 15625, 16000, 17750, 20000, 22720, 25000, 28400, 31250, 35500, 40000, 44375, 45440, 50000, 56800, 62500, 71000, 78125, 80000, 88750, 100000, 113600, 125000, 142000, 156250, 177500, 200000, 221875, 227200, 250000, 284000, 312500, 355000, 400000, 443750, 500000, 568000, 625000, 710000, 887500, 1000000, 1109375, 1136000, 1250000, 1420000, 1775000, 2000000, 2218750, 2500000, 2840000, 3550000, 4437500, 5000000, 5546875, 5680000, 7100000, 8875000, 10000000, 11093750, 14200000, 17750000, 22187500, 28400000, 35500000, 44375000, 71000000, 88750000, 142000000, 177500000, 355000000, 710000000]

約数ペア:

[(1, 710000000), (2, 355000000), (4, 177500000), (5, 142000000), (8, 88750000), (10, 71000000), (16, 44375000), (20, 35500000), (25, 28400000), (32, 22187500), (40, 17750000), (50, 14200000), (64, 11093750), (71, 10000000), (80, 8875000), (100, 7100000), (125, 5680000), (128, 5546875), (142, 5000000), (160, 4437500), (200, 3550000), (250, 2840000), (284, 2500000), (320, 2218750), (355, 2000000), (400, 1775000), (500, 1420000), (568, 1250000), (625, 1136000), (640, 1109375), (710, 1000000), (800, 887500), (1000, 710000), (1136, 625000), (1250, 568000), (1420, 500000), (1600, 443750), (1775, 400000), (2000, 355000), (2272, 312500), (2500, 284000), (2840, 250000), (3125, 227200), (3200, 221875), (3550, 200000), (4000, 177500), (4544, 156250), (5000, 142000), (5680, 125000), (6250, 113600), (7100, 100000), (8000, 88750), (8875, 80000), (9088, 78125), (10000, 71000), (11360, 62500), (12500, 56800), (14200, 50000), (15625, 45440), (16000, 44375), (17750, 40000), (20000, 35500), (22720, 31250), (25000, 28400)]