221637260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{2741}}^1$

素因数の和:3074

約数の個数: 48

約数和(自身を含む): 503036352

約数和(自身を除く): 281399092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 622, 1244, 1555, 2741, 3110, 4043, 5482, 6220, 8086, 10964, 13705, 16172, 20215, 27410, 35633, 40430, 54820, 71266, 80860, 142532, 178165, 356330, 712660, 852451, 1704902, 3409804, 4262255, 8524510, 11081863, 17049020, 22163726, 44327452, 55409315, 110818630, 221637260]

約数ペア:

[(1, 221637260), (2, 110818630), (4, 55409315), (5, 44327452), (10, 22163726), (13, 17049020), (20, 11081863), (26, 8524510), (52, 4262255), (65, 3409804), (130, 1704902), (260, 852451), (311, 712660), (622, 356330), (1244, 178165), (1555, 142532), (2741, 80860), (3110, 71266), (4043, 54820), (5482, 40430), (6220, 35633), (8086, 27410), (10964, 20215), (13705, 16172)]