806754820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 1847260800

約数和(自身を除く): 1040505980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 97, 172, 190, 194, 215, 380, 388, 430, 485, 509, 817, 860, 970, 1018, 1634, 1843, 1940, 2036, 2545, 3268, 3686, 4085, 4171, 5090, 7372, 8170, 8342, 9215, 9671, 10180, 16340, 16684, 18430, 19342, 20855, 21887, 36860, 38684, 41710, 43774, 48355, 49373, 79249, 83420, 87548, 96710, 98746, 109435, 158498, 193420, 197492, 218870, 246865, 316996, 396245, 415853, 437740, 493730, 792490, 831706, 938087, 987460, 1584980, 1663412, 1876174, 2079265, 2123039, 3752348, 4158530, 4246078, 4690435, 8317060, 8492156, 9380870, 10615195, 18761740, 21230390, 40337741, 42460780, 80675482, 161350964, 201688705, 403377410, 806754820]

約数ペア:

[(1, 806754820), (2, 403377410), (4, 201688705), (5, 161350964), (10, 80675482), (19, 42460780), (20, 40337741), (38, 21230390), (43, 18761740), (76, 10615195), (86, 9380870), (95, 8492156), (97, 8317060), (172, 4690435), (190, 4246078), (194, 4158530), (215, 3752348), (380, 2123039), (388, 2079265), (430, 1876174), (485, 1663412), (509, 1584980), (817, 987460), (860, 938087), (970, 831706), (1018, 792490), (1634, 493730), (1843, 437740), (1940, 415853), (2036, 396245), (2545, 316996), (3268, 246865), (3686, 218870), (4085, 197492), (4171, 193420), (5090, 158498), (7372, 109435), (8170, 98746), (8342, 96710), (9215, 87548), (9671, 83420), (10180, 79249), (16340, 49373), (16684, 48355), (18430, 43774), (19342, 41710), (20855, 38684), (21887, 36860)]