8945860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 24208128

約数和(自身を除く): 15262268

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 157, 185, 220, 259, 308, 314, 370, 385, 407, 518, 628, 740, 770, 785, 814, 1036, 1099, 1295, 1540, 1570, 1628, 1727, 2035, 2198, 2590, 2849, 3140, 3454, 4070, 4396, 5180, 5495, 5698, 5809, 6908, 8140, 8635, 10990, 11396, 11618, 12089, 14245, 17270, 21980, 23236, 24178, 28490, 29045, 34540, 40663, 48356, 56980, 58090, 60445, 63899, 81326, 116180, 120890, 127798, 162652, 203315, 241780, 255596, 319495, 406630, 447293, 638990, 813260, 894586, 1277980, 1789172, 2236465, 4472930, 8945860]

約数ペア:

[(1, 8945860), (2, 4472930), (4, 2236465), (5, 1789172), (7, 1277980), (10, 894586), (11, 813260), (14, 638990), (20, 447293), (22, 406630), (28, 319495), (35, 255596), (37, 241780), (44, 203315), (55, 162652), (70, 127798), (74, 120890), (77, 116180), (110, 81326), (140, 63899), (148, 60445), (154, 58090), (157, 56980), (185, 48356), (220, 40663), (259, 34540), (308, 29045), (314, 28490), (370, 24178), (385, 23236), (407, 21980), (518, 17270), (628, 14245), (740, 12089), (770, 11618), (785, 11396), (814, 10990), (1036, 8635), (1099, 8140), (1295, 6908), (1540, 5809), (1570, 5698), (1628, 5495), (1727, 5180), (2035, 4396), (2198, 4070), (2590, 3454), (2849, 3140)]