685710033970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{719}}^1\times {\mathrm{18859}}^1$

素因数の和:19987

約数の個数: 64

約数和(自身を含む): 1334563776000

約数和(自身を除く): 648853742030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 719, 778, 1438, 1945, 3595, 3890, 5057, 7190, 9347, 10114, 18694, 18859, 25285, 37718, 46735, 50570, 93470, 94295, 188590, 245167, 279691, 490334, 559382, 1225835, 1398455, 2451670, 2796910, 3635983, 7271966, 7336151, 13559621, 14672302, 18179915, 27119242, 36359830, 36680755, 67798105, 73361510, 95369963, 135596210, 176275073, 190739926, 352550146, 476849815, 881375365, 953699630, 1762750730, 5274692569, 10549385138, 26373462845, 52746925690, 68571003397, 137142006794, 342855016985, 685710033970]

約数ペア:

[(1, 685710033970), (2, 342855016985), (5, 137142006794), (10, 68571003397), (13, 52746925690), (26, 26373462845), (65, 10549385138), (130, 5274692569), (389, 1762750730), (719, 953699630), (778, 881375365), (1438, 476849815), (1945, 352550146), (3595, 190739926), (3890, 176275073), (5057, 135596210), (7190, 95369963), (9347, 73361510), (10114, 67798105), (18694, 36680755), (18859, 36359830), (25285, 27119242), (37718, 18179915), (46735, 14672302), (50570, 13559621), (93470, 7336151), (94295, 7271966), (188590, 3635983), (245167, 2796910), (279691, 2451670), (490334, 1398455), (559382, 1225835)]