389968522520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4801}}^1\times {\mathrm{106877}}^1$

素因数の和:111708

約数の個数: 64

約数和(自身を含む): 923810680800

約数和(自身を除く): 533842158280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 4801, 9602, 19204, 24005, 38408, 48010, 91219, 96020, 106877, 182438, 192040, 213754, 364876, 427508, 456095, 534385, 729752, 855016, 912190, 1068770, 1824380, 2030663, 2137540, 3648760, 4061326, 4275080, 8122652, 10153315, 16245304, 20306630, 40613260, 81226520, 513116477, 1026232954, 2052465908, 2565582385, 4104931816, 5131164770, 9749213063, 10262329540, 19498426126, 20524659080, 38996852252, 48746065315, 77993704504, 97492130630, 194984261260, 389968522520]

約数ペア:

[(1, 389968522520), (2, 194984261260), (4, 97492130630), (5, 77993704504), (8, 48746065315), (10, 38996852252), (19, 20524659080), (20, 19498426126), (38, 10262329540), (40, 9749213063), (76, 5131164770), (95, 4104931816), (152, 2565582385), (190, 2052465908), (380, 1026232954), (760, 513116477), (4801, 81226520), (9602, 40613260), (19204, 20306630), (24005, 16245304), (38408, 10153315), (48010, 8122652), (91219, 4275080), (96020, 4061326), (106877, 3648760), (182438, 2137540), (192040, 2030663), (213754, 1824380), (364876, 1068770), (427508, 912190), (456095, 855016), (534385, 729752)]