4280900

素因数分解:

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

素因数の和:153

約数の個数: 72

約数和(自身を含む): 10389960

約数和(自身を除く): 6109060

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 89, 100, 130, 148, 178, 185, 260, 325, 356, 370, 445, 481, 650, 740, 890, 925, 962, 1157, 1300, 1780, 1850, 1924, 2225, 2314, 2405, 3293, 3700, 4450, 4628, 4810, 5785, 6586, 8900, 9620, 11570, 12025, 13172, 16465, 23140, 24050, 28925, 32930, 42809, 48100, 57850, 65860, 82325, 85618, 115700, 164650, 171236, 214045, 329300, 428090, 856180, 1070225, 2140450, 4280900]

約数ペア:

[(1, 4280900), (2, 2140450), (4, 1070225), (5, 856180), (10, 428090), (13, 329300), (20, 214045), (25, 171236), (26, 164650), (37, 115700), (50, 85618), (52, 82325), (65, 65860), (74, 57850), (89, 48100), (100, 42809), (130, 32930), (148, 28925), (178, 24050), (185, 23140), (260, 16465), (325, 13172), (356, 12025), (370, 11570), (445, 9620), (481, 8900), (650, 6586), (740, 5785), (890, 4810), (925, 4628), (962, 4450), (1157, 3700), (1300, 3293), (1780, 2405), (1850, 2314), (1924, 2225)]