187952380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 512483328

約数和(自身を除く): 324530948

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 127, 140, 154, 155, 217, 220, 254, 308, 310, 341, 385, 434, 508, 620, 635, 682, 770, 868, 889, 961, 1085, 1270, 1364, 1397, 1540, 1705, 1778, 1922, 2170, 2387, 2540, 2794, 3410, 3556, 3844, 3937, 4340, 4445, 4774, 4805, 5588, 6727, 6820, 6985, 7874, 8890, 9548, 9610, 9779, 10571, 11935, 13454, 13970, 15748, 17780, 19220, 19558, 19685, 21142, 23870, 26908, 27559, 27940, 33635, 39116, 39370, 42284, 43307, 47740, 48895, 52855, 55118, 67270, 73997, 78740, 86614, 97790, 105710, 110236, 122047, 134540, 137795, 147994, 173228, 195580, 211420, 216535, 244094, 275590, 295988, 303149, 369985, 433070, 488188, 551180, 606298, 610235, 739970, 854329, 866140, 1212596, 1220470, 1342517, 1479940, 1515745, 1708658, 2440940, 2685034, 3031490, 3417316, 4271645, 5370068, 6062980, 6712585, 8543290, 9397619, 13425170, 17086580, 18795238, 26850340, 37590476, 46988095, 93976190, 187952380]

約数ペア:

[(1, 187952380), (2, 93976190), (4, 46988095), (5, 37590476), (7, 26850340), (10, 18795238), (11, 17086580), (14, 13425170), (20, 9397619), (22, 8543290), (28, 6712585), (31, 6062980), (35, 5370068), (44, 4271645), (55, 3417316), (62, 3031490), (70, 2685034), (77, 2440940), (110, 1708658), (124, 1515745), (127, 1479940), (140, 1342517), (154, 1220470), (155, 1212596), (217, 866140), (220, 854329), (254, 739970), (308, 610235), (310, 606298), (341, 551180), (385, 488188), (434, 433070), (508, 369985), (620, 303149), (635, 295988), (682, 275590), (770, 244094), (868, 216535), (889, 211420), (961, 195580), (1085, 173228), (1270, 147994), (1364, 137795), (1397, 134540), (1540, 122047), (1705, 110236), (1778, 105710), (1922, 97790), (2170, 86614), (2387, 78740), (2540, 73997), (2794, 67270), (3410, 55118), (3556, 52855), (3844, 48895), (3937, 47740), (4340, 43307), (4445, 42284), (4774, 39370), (4805, 39116), (5588, 33635), (6727, 27940), (6820, 27559), (6985, 26908), (7874, 23870), (8890, 21142), (9548, 19685), (9610, 19558), (9779, 19220), (10571, 17780), (11935, 15748), (13454, 13970)]