256852204910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{199669}}^1$

素因数の和:199770

約数の個数: 128

約数和(自身を含む): 596211425280

約数和(自身を除く): 339359220370

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 47, 70, 85, 94, 115, 119, 161, 170, 230, 235, 238, 322, 329, 391, 470, 595, 658, 782, 799, 805, 1081, 1190, 1598, 1610, 1645, 1955, 2162, 2737, 3290, 3910, 3995, 5405, 5474, 5593, 7567, 7990, 10810, 11186, 13685, 15134, 18377, 27370, 27965, 36754, 37835, 55930, 75670, 91885, 128639, 183770, 199669, 257278, 399338, 643195, 998345, 1286390, 1397683, 1996690, 2795366, 3394373, 4592387, 6788746, 6988415, 9184774, 9384443, 13976830, 16971865, 18768886, 22961935, 23760611, 32146709, 33943730, 45923870, 46922215, 47521222, 64293418, 65691101, 78070579, 93844430, 118803055, 131382202, 156141158, 159535531, 160733545, 215842189, 237606110, 319071062, 321467090, 328455505, 390352895, 431684378, 546494053, 656911010, 780705790, 797677655, 1079210945, 1092988106, 1116748717, 1510895323, 1595355310, 2158421890, 2233497434, 2732470265, 3021790646, 3669317213, 5464940530, 5583743585, 7338634426, 7554476615, 11167487170, 15108953230, 18346586065, 25685220491, 36693172130, 51370440982, 128426102455, 256852204910]

約数ペア:

[(1, 256852204910), (2, 128426102455), (5, 51370440982), (7, 36693172130), (10, 25685220491), (14, 18346586065), (17, 15108953230), (23, 11167487170), (34, 7554476615), (35, 7338634426), (46, 5583743585), (47, 5464940530), (70, 3669317213), (85, 3021790646), (94, 2732470265), (115, 2233497434), (119, 2158421890), (161, 1595355310), (170, 1510895323), (230, 1116748717), (235, 1092988106), (238, 1079210945), (322, 797677655), (329, 780705790), (391, 656911010), (470, 546494053), (595, 431684378), (658, 390352895), (782, 328455505), (799, 321467090), (805, 319071062), (1081, 237606110), (1190, 215842189), (1598, 160733545), (1610, 159535531), (1645, 156141158), (1955, 131382202), (2162, 118803055), (2737, 93844430), (3290, 78070579), (3910, 65691101), (3995, 64293418), (5405, 47521222), (5474, 46922215), (5593, 45923870), (7567, 33943730), (7990, 32146709), (10810, 23760611), (11186, 22961935), (13685, 18768886), (15134, 16971865), (18377, 13976830), (27370, 9384443), (27965, 9184774), (36754, 6988415), (37835, 6788746), (55930, 4592387), (75670, 3394373), (91885, 2795366), (128639, 1996690), (183770, 1397683), (199669, 1286390), (257278, 998345), (399338, 643195)]