890992040

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{1693}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 2049062400

約数和(自身を除く): 1158070360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 223, 236, 295, 446, 472, 590, 892, 1115, 1180, 1693, 1784, 2230, 2360, 3386, 4460, 6772, 8465, 8920, 13157, 13544, 16930, 26314, 33860, 52628, 65785, 67720, 99887, 105256, 131570, 199774, 263140, 377539, 399548, 499435, 526280, 755078, 799096, 998870, 1510156, 1887695, 1997740, 3020312, 3775390, 3995480, 7550780, 15101560, 22274801, 44549602, 89099204, 111374005, 178198408, 222748010, 445496020, 890992040]

約数ペア:

[(1, 890992040), (2, 445496020), (4, 222748010), (5, 178198408), (8, 111374005), (10, 89099204), (20, 44549602), (40, 22274801), (59, 15101560), (118, 7550780), (223, 3995480), (236, 3775390), (295, 3020312), (446, 1997740), (472, 1887695), (590, 1510156), (892, 998870), (1115, 799096), (1180, 755078), (1693, 526280), (1784, 499435), (2230, 399548), (2360, 377539), (3386, 263140), (4460, 199774), (6772, 131570), (8465, 105256), (8920, 99887), (13157, 67720), (13544, 65785), (16930, 52628), (26314, 33860)]