309309948875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{12491}}^1$

素因数の和:12837

約数の個数: 64

約数和(自身を含む): 419807950848

約数和(自身を除く): 110498001973

約数列:

[1, 5, 17, 25, 43, 85, 125, 215, 271, 425, 731, 1075, 1355, 2125, 3655, 4607, 5375, 6775, 11653, 12491, 18275, 23035, 33875, 58265, 62455, 91375, 115175, 198101, 212347, 291325, 312275, 537113, 575875, 990505, 1061735, 1456625, 1561375, 2685565, 3385061, 4952525, 5308675, 9130921, 13427825, 16925305, 24762625, 26543375, 45654605, 57546037, 67139125, 84626525, 145557623, 228273025, 287730185, 423132625, 727788115, 1141365125, 1438650925, 2474479591, 3638940575, 7193254625, 12372397955, 18194702875, 61861989775, 309309948875]

約数ペア:

[(1, 309309948875), (5, 61861989775), (17, 18194702875), (25, 12372397955), (43, 7193254625), (85, 3638940575), (125, 2474479591), (215, 1438650925), (271, 1141365125), (425, 727788115), (731, 423132625), (1075, 287730185), (1355, 228273025), (2125, 145557623), (3655, 84626525), (4607, 67139125), (5375, 57546037), (6775, 45654605), (11653, 26543375), (12491, 24762625), (18275, 16925305), (23035, 13427825), (33875, 9130921), (58265, 5308675), (62455, 4952525), (91375, 3385061), (115175, 2685565), (198101, 1561375), (212347, 1456625), (291325, 1061735), (312275, 990505), (537113, 575875)]