217611970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{2711}}^1$

素因数の和:3090

約数の個数: 32

約数和(自身を含む): 410054400

約数和(自身を除く): 192442430

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 349, 698, 1745, 2711, 3490, 5422, 8027, 13555, 16054, 27110, 40135, 62353, 80270, 124706, 311765, 623530, 946139, 1892278, 4730695, 9461390, 21761197, 43522394, 108805985, 217611970]

約数ペア:

[(1, 217611970), (2, 108805985), (5, 43522394), (10, 21761197), (23, 9461390), (46, 4730695), (115, 1892278), (230, 946139), (349, 623530), (698, 311765), (1745, 124706), (2711, 80270), (3490, 62353), (5422, 40135), (8027, 27110), (13555, 16054)]