90803375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 136805760

約数和(自身を除く): 46002385

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 125, 173, 221, 247, 323, 325, 425, 475, 865, 1105, 1235, 1615, 1625, 2125, 2249, 2375, 2941, 3287, 4199, 4325, 5525, 6175, 8075, 11245, 14705, 16435, 20995, 21625, 27625, 30875, 38233, 40375, 42731, 55879, 56225, 73525, 82175, 104975, 191165, 213655, 279395, 281125, 367625, 410875, 524875, 726427, 955825, 1068275, 1396975, 3632135, 4779125, 5341375, 6984875, 18160675, 90803375]

約数ペア:

[(1, 90803375), (5, 18160675), (13, 6984875), (17, 5341375), (19, 4779125), (25, 3632135), (65, 1396975), (85, 1068275), (95, 955825), (125, 726427), (173, 524875), (221, 410875), (247, 367625), (323, 281125), (325, 279395), (425, 213655), (475, 191165), (865, 104975), (1105, 82175), (1235, 73525), (1615, 56225), (1625, 55879), (2125, 42731), (2249, 40375), (2375, 38233), (2941, 30875), (3287, 27625), (4199, 21625), (4325, 20995), (5525, 16435), (6175, 14705), (8075, 11245)]