129851510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 256435200

約数和(自身を除く): 126583690

約数列:

[1, 2, 5, 10, 19, 38, 41, 79, 82, 95, 158, 190, 205, 211, 395, 410, 422, 779, 790, 1055, 1501, 1558, 2110, 3002, 3239, 3895, 4009, 6478, 7505, 7790, 8018, 8651, 15010, 16195, 16669, 17302, 20045, 32390, 33338, 40090, 43255, 61541, 83345, 86510, 123082, 164369, 166690, 307705, 316711, 328738, 615410, 633422, 683429, 821845, 1366858, 1583555, 1643690, 3167110, 3417145, 6834290, 12985151, 25970302, 64925755, 129851510]

約数ペア:

[(1, 129851510), (2, 64925755), (5, 25970302), (10, 12985151), (19, 6834290), (38, 3417145), (41, 3167110), (79, 1643690), (82, 1583555), (95, 1366858), (158, 821845), (190, 683429), (205, 633422), (211, 615410), (395, 328738), (410, 316711), (422, 307705), (779, 166690), (790, 164369), (1055, 123082), (1501, 86510), (1558, 83345), (2110, 61541), (3002, 43255), (3239, 40090), (3895, 33338), (4009, 32390), (6478, 20045), (7505, 17302), (7790, 16669), (8018, 16195), (8651, 15010)]