51040220

素因数分解:

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

素因数の和:192

約数の個数: 144

約数和(自身を含む): 141571584

約数和(自身を除く): 90531364

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 121, 131, 140, 154, 161, 220, 230, 242, 253, 262, 308, 322, 385, 460, 484, 506, 524, 605, 644, 655, 770, 805, 847, 917, 1012, 1210, 1265, 1310, 1441, 1540, 1610, 1694, 1771, 1834, 2420, 2530, 2620, 2783, 2882, 3013, 3220, 3388, 3542, 3668, 4235, 4585, 5060, 5566, 5764, 6026, 7084, 7205, 8470, 8855, 9170, 10087, 11132, 12052, 13915, 14410, 15065, 15851, 16940, 17710, 18340, 19481, 20174, 21091, 27830, 28820, 30130, 31702, 33143, 35420, 38962, 40348, 42182, 50435, 55660, 60260, 63404, 66286, 77924, 79255, 84364, 97405, 100870, 105455, 110957, 132572, 158510, 165715, 194810, 201740, 210910, 221914, 232001, 317020, 331430, 364573, 389620, 421820, 443828, 464002, 554785, 662860, 729146, 928004, 1109570, 1160005, 1458292, 1822865, 2219140, 2320010, 2552011, 3645730, 4640020, 5104022, 7291460, 10208044, 12760055, 25520110, 51040220]

約数ペア:

[(1, 51040220), (2, 25520110), (4, 12760055), (5, 10208044), (7, 7291460), (10, 5104022), (11, 4640020), (14, 3645730), (20, 2552011), (22, 2320010), (23, 2219140), (28, 1822865), (35, 1458292), (44, 1160005), (46, 1109570), (55, 928004), (70, 729146), (77, 662860), (92, 554785), (110, 464002), (115, 443828), (121, 421820), (131, 389620), (140, 364573), (154, 331430), (161, 317020), (220, 232001), (230, 221914), (242, 210910), (253, 201740), (262, 194810), (308, 165715), (322, 158510), (385, 132572), (460, 110957), (484, 105455), (506, 100870), (524, 97405), (605, 84364), (644, 79255), (655, 77924), (770, 66286), (805, 63404), (847, 60260), (917, 55660), (1012, 50435), (1210, 42182), (1265, 40348), (1310, 38962), (1441, 35420), (1540, 33143), (1610, 31702), (1694, 30130), (1771, 28820), (1834, 27830), (2420, 21091), (2530, 20174), (2620, 19481), (2783, 18340), (2882, 17710), (3013, 16940), (3220, 15851), (3388, 15065), (3542, 14410), (3668, 13915), (4235, 12052), (4585, 11132), (5060, 10087), (5566, 9170), (5764, 8855), (6026, 8470), (7084, 7205)]