289485910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{10313}}^1$

素因数の和:10728

約数の個数: 32

約数和(自身を含む): 597056832

約数和(自身を除く): 307570922

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 802, 2005, 2807, 4010, 5614, 10313, 14035, 20626, 28070, 51565, 72191, 103130, 144382, 360955, 721910, 4135513, 8271026, 20677565, 28948591, 41355130, 57897182, 144742955, 289485910]

約数ペア:

[(1, 289485910), (2, 144742955), (5, 57897182), (7, 41355130), (10, 28948591), (14, 20677565), (35, 8271026), (70, 4135513), (401, 721910), (802, 360955), (2005, 144382), (2807, 103130), (4010, 72191), (5614, 51565), (10313, 28070), (14035, 20626)]