74578007920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{192251}}^1$

素因数の和:192650

約数の個数: 80

約数和(自身を含む): 187233453792

約数和(自身を除く): 112655445872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 373, 520, 746, 1040, 1492, 1865, 2984, 3730, 4849, 5968, 7460, 9698, 14920, 19396, 24245, 29840, 38792, 48490, 77584, 96980, 192251, 193960, 384502, 387920, 769004, 961255, 1538008, 1922510, 2499263, 3076016, 3845020, 4998526, 7690040, 9997052, 12496315, 15380080, 19994104, 24992630, 39988208, 49985260, 71709623, 99970520, 143419246, 199941040, 286838492, 358548115, 573676984, 717096230, 932225099, 1147353968, 1434192460, 1864450198, 2868384920, 3728900396, 4661125495, 5736769840, 7457800792, 9322250990, 14915601584, 18644501980, 37289003960, 74578007920]

約数ペア:

[(1, 74578007920), (2, 37289003960), (4, 18644501980), (5, 14915601584), (8, 9322250990), (10, 7457800792), (13, 5736769840), (16, 4661125495), (20, 3728900396), (26, 2868384920), (40, 1864450198), (52, 1434192460), (65, 1147353968), (80, 932225099), (104, 717096230), (130, 573676984), (208, 358548115), (260, 286838492), (373, 199941040), (520, 143419246), (746, 99970520), (1040, 71709623), (1492, 49985260), (1865, 39988208), (2984, 24992630), (3730, 19994104), (4849, 15380080), (5968, 12496315), (7460, 9997052), (9698, 7690040), (14920, 4998526), (19396, 3845020), (24245, 3076016), (29840, 2499263), (38792, 1922510), (48490, 1538008), (77584, 961255), (96980, 769004), (192251, 387920), (193960, 384502)]