654292420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{617257}}^1$

素因数の和:617319

約数の個数: 24

約数和(自身を含む): 1399941144

約数和(自身を除く): 745648724

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 617257, 1234514, 2469028, 3086285, 6172570, 12345140, 32714621, 65429242, 130858484, 163573105, 327146210, 654292420]

約数ペア:

[(1, 654292420), (2, 327146210), (4, 163573105), (5, 130858484), (10, 65429242), (20, 32714621), (53, 12345140), (106, 6172570), (212, 3086285), (265, 2469028), (530, 1234514), (1060, 617257)]