2004993850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{2957}}^1$

素因数の和:3231

約数の個数: 48

約数和(自身を含む): 3802899456

約数和(自身を除く): 1797905606

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 191, 355, 382, 710, 955, 1775, 1910, 2957, 3550, 4775, 5914, 9550, 13561, 14785, 27122, 29570, 67805, 73925, 135610, 147850, 209947, 339025, 419894, 564787, 678050, 1049735, 1129574, 2099470, 2823935, 5248675, 5647870, 10497350, 14119675, 28239350, 40099877, 80199754, 200499385, 400998770, 1002496925, 2004993850]

約数ペア:

[(1, 2004993850), (2, 1002496925), (5, 400998770), (10, 200499385), (25, 80199754), (50, 40099877), (71, 28239350), (142, 14119675), (191, 10497350), (355, 5647870), (382, 5248675), (710, 2823935), (955, 2099470), (1775, 1129574), (1910, 1049735), (2957, 678050), (3550, 564787), (4775, 419894), (5914, 339025), (9550, 209947), (13561, 147850), (14785, 135610), (27122, 73925), (29570, 67805)]