497928390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{385991}}^1$

素因数の和:386044

約数の個数: 32

約数和(自身を含む): 1222822656

約数和(自身を除く): 724894266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 385991, 771982, 1157973, 1929955, 2315946, 3859910, 5789865, 11579730, 16597613, 33195226, 49792839, 82988065, 99585678, 165976130, 248964195, 497928390]

約数ペア:

[(1, 497928390), (2, 248964195), (3, 165976130), (5, 99585678), (6, 82988065), (10, 49792839), (15, 33195226), (30, 16597613), (43, 11579730), (86, 5789865), (129, 3859910), (215, 2315946), (258, 1929955), (430, 1157973), (645, 771982), (1290, 385991)]