201761420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205879}}^1$

素因数の和:205902

約数の個数: 36

約数和(自身を含む): 492876720

約数和(自身を除く): 291115300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205879, 411758, 823516, 1029395, 1441153, 2058790, 2882306, 4117580, 5764612, 7205765, 10088071, 14411530, 20176142, 28823060, 40352284, 50440355, 100880710, 201761420]

約数ペア:

[(1, 201761420), (2, 100880710), (4, 50440355), (5, 40352284), (7, 28823060), (10, 20176142), (14, 14411530), (20, 10088071), (28, 7205765), (35, 5764612), (49, 4117580), (70, 2882306), (98, 2058790), (140, 1441153), (196, 1029395), (245, 823516), (490, 411758), (980, 205879)]