245667460

素因数分解:

$2^2\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{6421}}^1$

素因数の和:8343

約数の個数: 24

約数和(自身を含む): 516251736

約数和(自身を除く): 270584276

約数列:

[1, 2, 4, 5, 10, 20, 1913, 3826, 6421, 7652, 9565, 12842, 19130, 25684, 32105, 38260, 64210, 128420, 12283373, 24566746, 49133492, 61416865, 122833730, 245667460]

約数ペア:

[(1, 245667460), (2, 122833730), (4, 61416865), (5, 49133492), (10, 24566746), (20, 12283373), (1913, 128420), (3826, 64210), (6421, 38260), (7652, 32105), (9565, 25684), (12842, 19130)]