7427980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3121}}^1$

素因数の和:3154

約数の個数: 48

約数和(自身を含む): 18881856

約数和(自身を除く): 11453876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 3121, 6242, 12484, 15605, 21847, 31210, 43694, 53057, 62420, 87388, 106114, 109235, 212228, 218470, 265285, 371399, 436940, 530570, 742798, 1061140, 1485596, 1856995, 3713990, 7427980]

約数ペア:

[(1, 7427980), (2, 3713990), (4, 1856995), (5, 1485596), (7, 1061140), (10, 742798), (14, 530570), (17, 436940), (20, 371399), (28, 265285), (34, 218470), (35, 212228), (68, 109235), (70, 106114), (85, 87388), (119, 62420), (140, 53057), (170, 43694), (238, 31210), (340, 21847), (476, 15605), (595, 12484), (1190, 6242), (2380, 3121)]