68889940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2749}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 166320000

約数和(自身を除く): 97430060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 2749, 3580, 5012, 5498, 6265, 10996, 12530, 13745, 19243, 25060, 27490, 38486, 54980, 76972, 96215, 192430, 384860, 492071, 984142, 1968284, 2460355, 3444497, 4920710, 6888994, 9841420, 13777988, 17222485, 34444970, 68889940]

約数ペア:

[(1, 68889940), (2, 34444970), (4, 17222485), (5, 13777988), (7, 9841420), (10, 6888994), (14, 4920710), (20, 3444497), (28, 2460355), (35, 1968284), (70, 984142), (140, 492071), (179, 384860), (358, 192430), (716, 96215), (895, 76972), (1253, 54980), (1790, 38486), (2506, 27490), (2749, 25060), (3580, 19243), (5012, 13745), (5498, 12530), (6265, 10996)]