642506009930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{155653}}^1$

素因数の和:155951

約数の個数: 64

約数和(自身を含む): 1224889890048

約数和(自身を除く): 582383880118

約数列:

[1, 2, 5, 10, 23, 46, 115, 131, 137, 230, 262, 274, 655, 685, 1310, 1370, 3013, 3151, 6026, 6302, 15065, 15755, 17947, 30130, 31510, 35894, 89735, 155653, 179470, 311306, 412781, 778265, 825562, 1556530, 2063905, 3580019, 4127810, 7160038, 17900095, 20390543, 21324461, 35800190, 40781086, 42648922, 101952715, 106622305, 203905430, 213244610, 468982489, 490462603, 937964978, 980925206, 2344912445, 2452313015, 2793504391, 4689824890, 4904626030, 5587008782, 13967521955, 27935043910, 64250600993, 128501201986, 321253004965, 642506009930]

約数ペア:

[(1, 642506009930), (2, 321253004965), (5, 128501201986), (10, 64250600993), (23, 27935043910), (46, 13967521955), (115, 5587008782), (131, 4904626030), (137, 4689824890), (230, 2793504391), (262, 2452313015), (274, 2344912445), (655, 980925206), (685, 937964978), (1310, 490462603), (1370, 468982489), (3013, 213244610), (3151, 203905430), (6026, 106622305), (6302, 101952715), (15065, 42648922), (15755, 40781086), (17947, 35800190), (30130, 21324461), (31510, 20390543), (35894, 17900095), (89735, 7160038), (155653, 4127810), (179470, 3580019), (311306, 2063905), (412781, 1556530), (778265, 825562)]