121282840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61879}}^1$

素因数の和:61904

約数の個数: 48

約数和(自身を含む): 317444400

約数和(自身を除く): 196161560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 61879, 123758, 247516, 309395, 433153, 495032, 618790, 866306, 1237580, 1732612, 2165765, 2475160, 3032071, 3465224, 4331530, 6064142, 8663060, 12128284, 15160355, 17326120, 24256568, 30320710, 60641420, 121282840]

約数ペア:

[(1, 121282840), (2, 60641420), (4, 30320710), (5, 24256568), (7, 17326120), (8, 15160355), (10, 12128284), (14, 8663060), (20, 6064142), (28, 4331530), (35, 3465224), (40, 3032071), (49, 2475160), (56, 2165765), (70, 1732612), (98, 1237580), (140, 866306), (196, 618790), (245, 495032), (280, 433153), (392, 309395), (490, 247516), (980, 123758), (1960, 61879)]