836702840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{2503}}^1$

素因数の和:2712

約数の個数: 64

約数和(自身を含む): 1928180160

約数和(自身を除く): 1091477320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 137, 244, 274, 305, 488, 548, 610, 685, 1096, 1220, 1370, 2440, 2503, 2740, 5006, 5480, 8357, 10012, 12515, 16714, 20024, 25030, 33428, 41785, 50060, 66856, 83570, 100120, 152683, 167140, 305366, 334280, 342911, 610732, 685822, 763415, 1221464, 1371644, 1526830, 1714555, 2743288, 3053660, 3429110, 6107320, 6858220, 13716440, 20917571, 41835142, 83670284, 104587855, 167340568, 209175710, 418351420, 836702840]

約数ペア:

[(1, 836702840), (2, 418351420), (4, 209175710), (5, 167340568), (8, 104587855), (10, 83670284), (20, 41835142), (40, 20917571), (61, 13716440), (122, 6858220), (137, 6107320), (244, 3429110), (274, 3053660), (305, 2743288), (488, 1714555), (548, 1526830), (610, 1371644), (685, 1221464), (1096, 763415), (1220, 685822), (1370, 610732), (2440, 342911), (2503, 334280), (2740, 305366), (5006, 167140), (5480, 152683), (8357, 100120), (10012, 83570), (12515, 66856), (16714, 50060), (20024, 41785), (25030, 33428)]