156959366890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^3\times {\mathrm{191}}^1\times {\mathrm{11981}}^1$

素因数の和:12236

約数の個数: 64

約数和(自身を含む): 299806894080

約数和(自身を除く): 142847527190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 191, 361, 382, 722, 955, 1805, 1910, 3610, 3629, 6859, 7258, 11981, 13718, 18145, 23962, 34295, 36290, 59905, 68590, 68951, 119810, 137902, 227639, 344755, 455278, 689510, 1138195, 1310069, 2276390, 2288371, 2620138, 4325141, 4576742, 6550345, 8650282, 11441855, 13100690, 21625705, 22883710, 43251410, 43479049, 82177679, 86958098, 164355358, 217395245, 410888395, 434790490, 821776790, 826101931, 1652203862, 4130509655, 8261019310, 15695936689, 31391873378, 78479683445, 156959366890]

約数ペア:

[(1, 156959366890), (2, 78479683445), (5, 31391873378), (10, 15695936689), (19, 8261019310), (38, 4130509655), (95, 1652203862), (190, 826101931), (191, 821776790), (361, 434790490), (382, 410888395), (722, 217395245), (955, 164355358), (1805, 86958098), (1910, 82177679), (3610, 43479049), (3629, 43251410), (6859, 22883710), (7258, 21625705), (11981, 13100690), (13718, 11441855), (18145, 8650282), (23962, 6550345), (34295, 4576742), (36290, 4325141), (59905, 2620138), (68590, 2288371), (68951, 2276390), (119810, 1310069), (137902, 1138195), (227639, 689510), (344755, 455278)]