28684000

素因数分解:

$2^5\times 5^3\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 72176832

約数和(自身を除く): 43492832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 101, 125, 142, 160, 200, 202, 250, 284, 355, 400, 404, 500, 505, 568, 710, 800, 808, 1000, 1010, 1136, 1420, 1616, 1775, 2000, 2020, 2272, 2525, 2840, 3232, 3550, 4000, 4040, 5050, 5680, 7100, 7171, 8080, 8875, 10100, 11360, 12625, 14200, 14342, 16160, 17750, 20200, 25250, 28400, 28684, 35500, 35855, 40400, 50500, 56800, 57368, 71000, 71710, 80800, 101000, 114736, 142000, 143420, 179275, 202000, 229472, 284000, 286840, 358550, 404000, 573680, 717100, 896375, 1147360, 1434200, 1792750, 2868400, 3585500, 5736800, 7171000, 14342000, 28684000]

約数ペア:

[(1, 28684000), (2, 14342000), (4, 7171000), (5, 5736800), (8, 3585500), (10, 2868400), (16, 1792750), (20, 1434200), (25, 1147360), (32, 896375), (40, 717100), (50, 573680), (71, 404000), (80, 358550), (100, 286840), (101, 284000), (125, 229472), (142, 202000), (160, 179275), (200, 143420), (202, 142000), (250, 114736), (284, 101000), (355, 80800), (400, 71710), (404, 71000), (500, 57368), (505, 56800), (568, 50500), (710, 40400), (800, 35855), (808, 35500), (1000, 28684), (1010, 28400), (1136, 25250), (1420, 20200), (1616, 17750), (1775, 16160), (2000, 14342), (2020, 14200), (2272, 12625), (2525, 11360), (2840, 10100), (3232, 8875), (3550, 8080), (4000, 7171), (4040, 7100), (5050, 5680)]