69678920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2383}}^1$

素因数の和:2454

約数の個数: 64

約数和(自身を含む): 169931520

約数和(自身を除く): 100252600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2383, 2924, 3655, 4766, 5848, 7310, 9532, 11915, 14620, 19064, 23830, 29240, 40511, 47660, 81022, 95320, 102469, 162044, 202555, 204938, 324088, 405110, 409876, 512345, 810220, 819752, 1024690, 1620440, 1741973, 2049380, 3483946, 4098760, 6967892, 8709865, 13935784, 17419730, 34839460, 69678920]

約数ペア:

[(1, 69678920), (2, 34839460), (4, 17419730), (5, 13935784), (8, 8709865), (10, 6967892), (17, 4098760), (20, 3483946), (34, 2049380), (40, 1741973), (43, 1620440), (68, 1024690), (85, 819752), (86, 810220), (136, 512345), (170, 409876), (172, 405110), (215, 324088), (340, 204938), (344, 202555), (430, 162044), (680, 102469), (731, 95320), (860, 81022), (1462, 47660), (1720, 40511), (2383, 29240), (2924, 23830), (3655, 19064), (4766, 14620), (5848, 11915), (7310, 9532)]