71914430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 157248000

約数和(自身を除く): 85333570

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 139, 190, 266, 278, 389, 665, 695, 778, 973, 1330, 1390, 1945, 1946, 2641, 2723, 3890, 4865, 5282, 5446, 7391, 9730, 13205, 13615, 14782, 18487, 26410, 27230, 36955, 36974, 51737, 54071, 73910, 92435, 103474, 108142, 184870, 258685, 270355, 378497, 517370, 540710, 756994, 1027349, 1892485, 2054698, 3784970, 5136745, 7191443, 10273490, 14382886, 35957215, 71914430]

約数ペア:

[(1, 71914430), (2, 35957215), (5, 14382886), (7, 10273490), (10, 7191443), (14, 5136745), (19, 3784970), (35, 2054698), (38, 1892485), (70, 1027349), (95, 756994), (133, 540710), (139, 517370), (190, 378497), (266, 270355), (278, 258685), (389, 184870), (665, 108142), (695, 103474), (778, 92435), (973, 73910), (1330, 54071), (1390, 51737), (1945, 36974), (1946, 36955), (2641, 27230), (2723, 26410), (3890, 18487), (4865, 14782), (5282, 13615), (5446, 13205), (7391, 9730)]