22786225

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 38167200

約数和(自身を除く): 15380975

約数列:

[1, 5, 7, 11, 19, 25, 35, 49, 55, 77, 89, 95, 133, 175, 209, 245, 275, 385, 445, 475, 539, 623, 665, 931, 979, 1045, 1225, 1463, 1691, 1925, 2225, 2695, 3115, 3325, 4361, 4655, 4895, 5225, 6853, 7315, 8455, 10241, 11837, 13475, 15575, 18601, 21805, 23275, 24475, 34265, 36575, 42275, 47971, 51205, 59185, 82859, 93005, 109025, 130207, 171325, 239855, 256025, 295925, 414295, 465025, 651035, 911449, 1199275, 2071475, 3255175, 4557245, 22786225]

約数ペア:

[(1, 22786225), (5, 4557245), (7, 3255175), (11, 2071475), (19, 1199275), (25, 911449), (35, 651035), (49, 465025), (55, 414295), (77, 295925), (89, 256025), (95, 239855), (133, 171325), (175, 130207), (209, 109025), (245, 93005), (275, 82859), (385, 59185), (445, 51205), (475, 47971), (539, 42275), (623, 36575), (665, 34265), (931, 24475), (979, 23275), (1045, 21805), (1225, 18601), (1463, 15575), (1691, 13475), (1925, 11837), (2225, 10241), (2695, 8455), (3115, 7315), (3325, 6853), (4361, 5225), (4655, 4895)]