202220905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 257541120

約数和(自身を除く): 55320215

約数列:

[1, 5, 31, 89, 107, 137, 155, 445, 535, 685, 2759, 3317, 4247, 9523, 12193, 13795, 14659, 16585, 21235, 47615, 60965, 73295, 295213, 377983, 454429, 1304651, 1476065, 1889915, 2272145, 6523255, 40444181, 202220905]

約数ペア:

[(1, 202220905), (5, 40444181), (31, 6523255), (89, 2272145), (107, 1889915), (137, 1476065), (155, 1304651), (445, 454429), (535, 377983), (685, 295213), (2759, 73295), (3317, 60965), (4247, 47615), (9523, 21235), (12193, 16585), (13795, 14659)]