74242840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37879}}^1$

素因数の和:37904

約数の個数: 48

約数和(自身を含む): 194324400

約数和(自身を除く): 120081560

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, 37879, 75758, 151516, 189395, 265153, 303032, 378790, 530306, 757580, 1060612, 1325765, 1515160, 1856071, 2121224, 2651530, 3712142, 5303060, 7424284, 9280355, 10606120, 14848568, 18560710, 37121420, 74242840]

約数ペア:

[(1, 74242840), (2, 37121420), (4, 18560710), (5, 14848568), (7, 10606120), (8, 9280355), (10, 7424284), (14, 5303060), (20, 3712142), (28, 2651530), (35, 2121224), (40, 1856071), (49, 1515160), (56, 1325765), (70, 1060612), (98, 757580), (140, 530306), (196, 378790), (245, 303032), (280, 265153), (392, 189395), (490, 151516), (980, 75758), (1960, 37879)]