2912476940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{86117}}^1$

素因数の和:86234

約数の個数: 48

約数和(自身を含む): 6510520800

約数和(自身を除く): 3598043860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 86117, 172234, 344468, 430585, 861170, 1636223, 1722340, 3272446, 6544892, 7664413, 8181115, 15328826, 16362230, 30657652, 32724460, 38322065, 76644130, 145623847, 153288260, 291247694, 582495388, 728119235, 1456238470, 2912476940]

約数ペア:

[(1, 2912476940), (2, 1456238470), (4, 728119235), (5, 582495388), (10, 291247694), (19, 153288260), (20, 145623847), (38, 76644130), (76, 38322065), (89, 32724460), (95, 30657652), (178, 16362230), (190, 15328826), (356, 8181115), (380, 7664413), (445, 6544892), (890, 3272446), (1691, 1722340), (1780, 1636223), (3382, 861170), (6764, 430585), (8455, 344468), (16910, 172234), (33820, 86117)]