42809000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 112039200

約数和(自身を除く): 69230200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 37, 40, 50, 52, 65, 74, 89, 100, 104, 125, 130, 148, 178, 185, 200, 250, 260, 296, 325, 356, 370, 445, 481, 500, 520, 650, 712, 740, 890, 925, 962, 1000, 1157, 1300, 1480, 1625, 1780, 1850, 1924, 2225, 2314, 2405, 2600, 3250, 3293, 3560, 3700, 3848, 4450, 4625, 4628, 4810, 5785, 6500, 6586, 7400, 8900, 9250, 9256, 9620, 11125, 11570, 12025, 13000, 13172, 16465, 17800, 18500, 19240, 22250, 23140, 24050, 26344, 28925, 32930, 37000, 42809, 44500, 46280, 48100, 57850, 60125, 65860, 82325, 85618, 89000, 96200, 115700, 120250, 131720, 144625, 164650, 171236, 214045, 231400, 240500, 289250, 329300, 342472, 411625, 428090, 481000, 578500, 658600, 823250, 856180, 1070225, 1157000, 1646500, 1712360, 2140450, 3293000, 4280900, 5351125, 8561800, 10702250, 21404500, 42809000]

約数ペア:

[(1, 42809000), (2, 21404500), (4, 10702250), (5, 8561800), (8, 5351125), (10, 4280900), (13, 3293000), (20, 2140450), (25, 1712360), (26, 1646500), (37, 1157000), (40, 1070225), (50, 856180), (52, 823250), (65, 658600), (74, 578500), (89, 481000), (100, 428090), (104, 411625), (125, 342472), (130, 329300), (148, 289250), (178, 240500), (185, 231400), (200, 214045), (250, 171236), (260, 164650), (296, 144625), (325, 131720), (356, 120250), (370, 115700), (445, 96200), (481, 89000), (500, 85618), (520, 82325), (650, 65860), (712, 60125), (740, 57850), (890, 48100), (925, 46280), (962, 44500), (1000, 42809), (1157, 37000), (1300, 32930), (1480, 28925), (1625, 26344), (1780, 24050), (1850, 23140), (1924, 22250), (2225, 19240), (2314, 18500), (2405, 17800), (2600, 16465), (3250, 13172), (3293, 13000), (3560, 12025), (3700, 11570), (3848, 11125), (4450, 9620), (4625, 9256), (4628, 9250), (4810, 8900), (5785, 7400), (6500, 6586)]