121188990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{310741}}^1$

素因数の和:310764

約数の個数: 32

約数和(自身を含む): 313227936

約数和(自身を除く): 192038946

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 310741, 621482, 932223, 1553705, 1864446, 3107410, 4039633, 4661115, 8079266, 9322230, 12118899, 20198165, 24237798, 40396330, 60594495, 121188990]

約数ペア:

[(1, 121188990), (2, 60594495), (3, 40396330), (5, 24237798), (6, 20198165), (10, 12118899), (13, 9322230), (15, 8079266), (26, 4661115), (30, 4039633), (39, 3107410), (65, 1864446), (78, 1553705), (130, 932223), (195, 621482), (390, 310741)]