214175780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117679}}^1$

素因数の和:117708

約数の個数: 48

約数和(自身を含む): 553566720

約数和(自身を除く): 339390940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 117679, 235358, 470716, 588395, 823753, 1176790, 1529827, 1647506, 2353580, 3059654, 3295012, 4118765, 6119308, 7649135, 8237530, 10708789, 15298270, 16475060, 21417578, 30596540, 42835156, 53543945, 107087890, 214175780]

約数ペア:

[(1, 214175780), (2, 107087890), (4, 53543945), (5, 42835156), (7, 30596540), (10, 21417578), (13, 16475060), (14, 15298270), (20, 10708789), (26, 8237530), (28, 7649135), (35, 6119308), (52, 4118765), (65, 3295012), (70, 3059654), (91, 2353580), (130, 1647506), (140, 1529827), (182, 1176790), (260, 823753), (364, 588395), (455, 470716), (910, 235358), (1820, 117679)]