1261423490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1499}}^1$

素因数の和:1671

約数の個数: 64

約数和(自身を含む): 2471040000

約数和(自身を除く): 1209616510

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 103, 190, 206, 215, 430, 515, 817, 1030, 1499, 1634, 1957, 2998, 3914, 4085, 4429, 7495, 8170, 8858, 9785, 14990, 19570, 22145, 28481, 44290, 56962, 64457, 84151, 128914, 142405, 154397, 168302, 284810, 308794, 322285, 420755, 644570, 771985, 841510, 1224683, 1543970, 2449366, 2933543, 5867086, 6123415, 6639071, 12246830, 13278142, 14667715, 29335430, 33195355, 66390710, 126142349, 252284698, 630711745, 1261423490]

約数ペア:

[(1, 1261423490), (2, 630711745), (5, 252284698), (10, 126142349), (19, 66390710), (38, 33195355), (43, 29335430), (86, 14667715), (95, 13278142), (103, 12246830), (190, 6639071), (206, 6123415), (215, 5867086), (430, 2933543), (515, 2449366), (817, 1543970), (1030, 1224683), (1499, 841510), (1634, 771985), (1957, 644570), (2998, 420755), (3914, 322285), (4085, 308794), (4429, 284810), (7495, 168302), (8170, 154397), (8858, 142405), (9785, 128914), (14990, 84151), (19570, 64457), (22145, 56962), (28481, 44290)]