85853020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 221211648

約数和(自身を除く): 135358628

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 38, 44, 46, 47, 55, 76, 92, 94, 95, 110, 115, 188, 190, 209, 220, 230, 235, 253, 361, 380, 418, 437, 460, 470, 506, 517, 722, 836, 874, 893, 940, 1012, 1034, 1045, 1081, 1265, 1444, 1748, 1786, 1805, 2068, 2090, 2162, 2185, 2530, 2585, 3572, 3610, 3971, 4180, 4324, 4370, 4465, 4807, 5060, 5170, 5405, 7220, 7942, 8303, 8740, 8930, 9614, 9823, 10340, 10810, 11891, 15884, 16606, 16967, 17860, 19228, 19646, 19855, 20539, 21620, 23782, 24035, 33212, 33934, 39292, 39710, 41078, 41515, 47564, 48070, 49115, 59455, 67868, 79420, 82156, 83030, 84835, 91333, 96140, 98230, 102695, 118910, 166060, 169670, 182666, 186637, 196460, 205390, 225929, 237820, 339340, 365332, 373274, 390241, 410780, 451858, 456665, 746548, 780482, 903716, 913330, 933185, 1129645, 1560964, 1826660, 1866370, 1951205, 2259290, 3732740, 3902410, 4292651, 4518580, 7804820, 8585302, 17170604, 21463255, 42926510, 85853020]

約数ペア:

[(1, 85853020), (2, 42926510), (4, 21463255), (5, 17170604), (10, 8585302), (11, 7804820), (19, 4518580), (20, 4292651), (22, 3902410), (23, 3732740), (38, 2259290), (44, 1951205), (46, 1866370), (47, 1826660), (55, 1560964), (76, 1129645), (92, 933185), (94, 913330), (95, 903716), (110, 780482), (115, 746548), (188, 456665), (190, 451858), (209, 410780), (220, 390241), (230, 373274), (235, 365332), (253, 339340), (361, 237820), (380, 225929), (418, 205390), (437, 196460), (460, 186637), (470, 182666), (506, 169670), (517, 166060), (722, 118910), (836, 102695), (874, 98230), (893, 96140), (940, 91333), (1012, 84835), (1034, 83030), (1045, 82156), (1081, 79420), (1265, 67868), (1444, 59455), (1748, 49115), (1786, 48070), (1805, 47564), (2068, 41515), (2090, 41078), (2162, 39710), (2185, 39292), (2530, 33934), (2585, 33212), (3572, 24035), (3610, 23782), (3971, 21620), (4180, 20539), (4324, 19855), (4370, 19646), (4465, 19228), (4807, 17860), (5060, 16967), (5170, 16606), (5405, 15884), (7220, 11891), (7942, 10810), (8303, 10340), (8740, 9823), (8930, 9614)]