7351199420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{40763}}^1$

素因数の和:40970

約数の個数: 48

約数和(自身を含む): 15778603008

約数和(自身を除く): 8427403588

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 508, 635, 710, 1270, 1420, 2540, 9017, 18034, 36068, 40763, 45085, 81526, 90170, 163052, 180340, 203815, 407630, 815260, 2894173, 5176901, 5788346, 10353802, 11576692, 14470865, 20707604, 25884505, 28941730, 51769010, 57883460, 103538020, 367559971, 735119942, 1470239884, 1837799855, 3675599710, 7351199420]

約数ペア:

[(1, 7351199420), (2, 3675599710), (4, 1837799855), (5, 1470239884), (10, 735119942), (20, 367559971), (71, 103538020), (127, 57883460), (142, 51769010), (254, 28941730), (284, 25884505), (355, 20707604), (508, 14470865), (635, 11576692), (710, 10353802), (1270, 5788346), (1420, 5176901), (2540, 2894173), (9017, 815260), (18034, 407630), (36068, 203815), (40763, 180340), (45085, 163052), (81526, 90170)]