4640020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 12773376

約数和(自身を除く): 8133356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 131, 140, 154, 161, 220, 230, 253, 262, 308, 322, 385, 460, 506, 524, 644, 655, 770, 805, 917, 1012, 1265, 1310, 1441, 1540, 1610, 1771, 1834, 2530, 2620, 2882, 3013, 3220, 3542, 3668, 4585, 5060, 5764, 6026, 7084, 7205, 8855, 9170, 10087, 12052, 14410, 15065, 17710, 18340, 20174, 21091, 28820, 30130, 33143, 35420, 40348, 42182, 50435, 60260, 66286, 84364, 100870, 105455, 132572, 165715, 201740, 210910, 232001, 331430, 421820, 464002, 662860, 928004, 1160005, 2320010, 4640020]

約数ペア:

[(1, 4640020), (2, 2320010), (4, 1160005), (5, 928004), (7, 662860), (10, 464002), (11, 421820), (14, 331430), (20, 232001), (22, 210910), (23, 201740), (28, 165715), (35, 132572), (44, 105455), (46, 100870), (55, 84364), (70, 66286), (77, 60260), (92, 50435), (110, 42182), (115, 40348), (131, 35420), (140, 33143), (154, 30130), (161, 28820), (220, 21091), (230, 20174), (253, 18340), (262, 17710), (308, 15065), (322, 14410), (385, 12052), (460, 10087), (506, 9170), (524, 8855), (644, 7205), (655, 7084), (770, 6026), (805, 5764), (917, 5060), (1012, 4585), (1265, 3668), (1310, 3542), (1441, 3220), (1540, 3013), (1610, 2882), (1771, 2620), (1834, 2530)]