90183275

素因数分解:

$5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:853

約数の個数: 48

約数和(自身を含む): 140616000

約数和(自身を除く): 50432725

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 343, 455, 637, 809, 1225, 1715, 2275, 3185, 4045, 4459, 5663, 8575, 10517, 15925, 20225, 22295, 28315, 39641, 52585, 73619, 111475, 141575, 198205, 262925, 277487, 368095, 515333, 991025, 1387435, 1840475, 2576665, 3607331, 6937175, 12883325, 18036655, 90183275]

約数ペア:

[(1, 90183275), (5, 18036655), (7, 12883325), (13, 6937175), (25, 3607331), (35, 2576665), (49, 1840475), (65, 1387435), (91, 991025), (175, 515333), (245, 368095), (325, 277487), (343, 262925), (455, 198205), (637, 141575), (809, 111475), (1225, 73619), (1715, 52585), (2275, 39641), (3185, 28315), (4045, 22295), (4459, 20225), (5663, 15925), (8575, 10517)]