203928290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{5059}}^1$

素因数の和:5234

約数の個数: 32

約数和(自身を含む): 382536000

約数和(自身を除く): 178607710

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 5059, 8062, 10118, 20155, 25295, 40310, 50590, 146711, 293422, 703201, 733555, 1406402, 1467110, 3516005, 7032010, 20392829, 40785658, 101964145, 203928290]

約数ペア:

[(1, 203928290), (2, 101964145), (5, 40785658), (10, 20392829), (29, 7032010), (58, 3516005), (139, 1467110), (145, 1406402), (278, 733555), (290, 703201), (695, 293422), (1390, 146711), (4031, 50590), (5059, 40310), (8062, 25295), (10118, 20155)]