269221520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197957}}^1$

素因数の和:197987

約数の個数: 40

約数和(自身を含む): 662763384

約数和(自身を除く): 393541864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 197957, 395914, 791828, 989785, 1583656, 1979570, 3167312, 3365269, 3959140, 6730538, 7918280, 13461076, 15836560, 16826345, 26922152, 33652690, 53844304, 67305380, 134610760, 269221520]

約数ペア:

[(1, 269221520), (2, 134610760), (4, 67305380), (5, 53844304), (8, 33652690), (10, 26922152), (16, 16826345), (17, 15836560), (20, 13461076), (34, 7918280), (40, 6730538), (68, 3959140), (80, 3365269), (85, 3167312), (136, 1979570), (170, 1583656), (272, 989785), (340, 791828), (680, 395914), (1360, 197957)]