515380340

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{4007}}^1$

素因数の和:4184

約数の個数: 48

約数和(自身を含む): 1111017600

約数和(自身を除く): 595637260

約数列:

[1, 2, 4, 5, 10, 20, 59, 109, 118, 218, 236, 295, 436, 545, 590, 1090, 1180, 2180, 4007, 6431, 8014, 12862, 16028, 20035, 25724, 32155, 40070, 64310, 80140, 128620, 236413, 436763, 472826, 873526, 945652, 1182065, 1747052, 2183815, 2364130, 4367630, 4728260, 8735260, 25769017, 51538034, 103076068, 128845085, 257690170, 515380340]

約数ペア:

[(1, 515380340), (2, 257690170), (4, 128845085), (5, 103076068), (10, 51538034), (20, 25769017), (59, 8735260), (109, 4728260), (118, 4367630), (218, 2364130), (236, 2183815), (295, 1747052), (436, 1182065), (545, 945652), (590, 873526), (1090, 472826), (1180, 436763), (2180, 236413), (4007, 128620), (6431, 80140), (8014, 64310), (12862, 40070), (16028, 32155), (20035, 25724)]