6780500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 15095808

約数和(自身を除く): 8315308

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 191, 250, 284, 355, 382, 500, 710, 764, 955, 1420, 1775, 1910, 3550, 3820, 4775, 7100, 8875, 9550, 13561, 17750, 19100, 23875, 27122, 35500, 47750, 54244, 67805, 95500, 135610, 271220, 339025, 678050, 1356100, 1695125, 3390250, 6780500]

約数ペア:

[(1, 6780500), (2, 3390250), (4, 1695125), (5, 1356100), (10, 678050), (20, 339025), (25, 271220), (50, 135610), (71, 95500), (100, 67805), (125, 54244), (142, 47750), (191, 35500), (250, 27122), (284, 23875), (355, 19100), (382, 17750), (500, 13561), (710, 9550), (764, 8875), (955, 7100), (1420, 4775), (1775, 3820), (1910, 3550)]