201728890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 419696640

約数和(自身を除く): 217967750

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 263, 367, 418, 526, 734, 1045, 1315, 1835, 2090, 2630, 2893, 3670, 4037, 4997, 5786, 6973, 8074, 9994, 13946, 14465, 20185, 24985, 28930, 34865, 40370, 49970, 54967, 69730, 76703, 96521, 109934, 153406, 193042, 274835, 383515, 482605, 549670, 767030, 965210, 1061731, 1833899, 2123462, 3667798, 5308655, 9169495, 10617310, 18338990, 20172889, 40345778, 100864445, 201728890]

約数ペア:

[(1, 201728890), (2, 100864445), (5, 40345778), (10, 20172889), (11, 18338990), (19, 10617310), (22, 9169495), (38, 5308655), (55, 3667798), (95, 2123462), (110, 1833899), (190, 1061731), (209, 965210), (263, 767030), (367, 549670), (418, 482605), (526, 383515), (734, 274835), (1045, 193042), (1315, 153406), (1835, 109934), (2090, 96521), (2630, 76703), (2893, 69730), (3670, 54967), (4037, 49970), (4997, 40370), (5786, 34865), (6973, 28930), (8074, 24985), (9994, 20185), (13946, 14465)]