240489145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 318979584

約数和(自身を除く): 78490439

約数列:

[1, 5, 13, 61, 65, 131, 305, 463, 655, 793, 1703, 2315, 3965, 6019, 7991, 8515, 28243, 30095, 39955, 60653, 103883, 141215, 303265, 367159, 519415, 788489, 1835795, 3699833, 3942445, 18499165, 48097829, 240489145]

約数ペア:

[(1, 240489145), (5, 48097829), (13, 18499165), (61, 3942445), (65, 3699833), (131, 1835795), (305, 788489), (463, 519415), (655, 367159), (793, 303265), (1703, 141215), (2315, 103883), (3965, 60653), (6019, 39955), (7991, 30095), (8515, 28243)]