420976255

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{1429}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 609523200

約数和(自身を除く): 188546945

約数列:

[1, 5, 7, 19, 35, 95, 133, 443, 665, 1429, 2215, 3101, 7145, 8417, 10003, 15505, 27151, 42085, 50015, 58919, 135755, 190057, 294595, 633047, 950285, 3165235, 4431329, 12027893, 22156645, 60139465, 84195251, 420976255]

約数ペア:

[(1, 420976255), (5, 84195251), (7, 60139465), (19, 22156645), (35, 12027893), (95, 4431329), (133, 3165235), (443, 950285), (665, 633047), (1429, 294595), (2215, 190057), (3101, 135755), (7145, 58919), (8417, 50015), (10003, 42085), (15505, 27151)]