2563290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1531

約数の個数: 48

約数和(自身を含む): 7020000

約数和(自身を除く): 4456710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1499, 1710, 2998, 4497, 7495, 8994, 13491, 14990, 22485, 26982, 28481, 44970, 56962, 67455, 85443, 134910, 142405, 170886, 256329, 284810, 427215, 512658, 854430, 1281645, 2563290]

約数ペア:

[(1, 2563290), (2, 1281645), (3, 854430), (5, 512658), (6, 427215), (9, 284810), (10, 256329), (15, 170886), (18, 142405), (19, 134910), (30, 85443), (38, 67455), (45, 56962), (57, 44970), (90, 28481), (95, 26982), (114, 22485), (171, 14990), (190, 13491), (285, 8994), (342, 7495), (570, 4497), (855, 2998), (1499, 1710)]