201730280

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{25343}}^1$

素因数の和:25553

約数の個数: 32

約数和(自身を含む): 456192000

約数和(自身を除く): 254461720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 25343, 50686, 101372, 126715, 202744, 253430, 506860, 1013720, 5043257, 10086514, 20173028, 25216285, 40346056, 50432570, 100865140, 201730280]

約数ペア:

[(1, 201730280), (2, 100865140), (4, 50432570), (5, 40346056), (8, 25216285), (10, 20173028), (20, 10086514), (40, 5043257), (199, 1013720), (398, 506860), (796, 253430), (995, 202744), (1592, 126715), (1990, 101372), (3980, 50686), (7960, 25343)]