31719380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 85155840

約数和(自身を除く): 53436460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 301, 308, 385, 430, 473, 479, 602, 770, 860, 946, 958, 1204, 1505, 1540, 1892, 1916, 2365, 2395, 3010, 3311, 3353, 4730, 4790, 5269, 6020, 6622, 6706, 9460, 9580, 10538, 13244, 13412, 16555, 16765, 20597, 21076, 26345, 33110, 33530, 36883, 41194, 52690, 66220, 67060, 73766, 82388, 102985, 105380, 144179, 147532, 184415, 205970, 226567, 288358, 368830, 411940, 453134, 576716, 720895, 737660, 906268, 1132835, 1441790, 1585969, 2265670, 2883580, 3171938, 4531340, 6343876, 7929845, 15859690, 31719380]

約数ペア:

[(1, 31719380), (2, 15859690), (4, 7929845), (5, 6343876), (7, 4531340), (10, 3171938), (11, 2883580), (14, 2265670), (20, 1585969), (22, 1441790), (28, 1132835), (35, 906268), (43, 737660), (44, 720895), (55, 576716), (70, 453134), (77, 411940), (86, 368830), (110, 288358), (140, 226567), (154, 205970), (172, 184415), (215, 147532), (220, 144179), (301, 105380), (308, 102985), (385, 82388), (430, 73766), (473, 67060), (479, 66220), (602, 52690), (770, 41194), (860, 36883), (946, 33530), (958, 33110), (1204, 26345), (1505, 21076), (1540, 20597), (1892, 16765), (1916, 16555), (2365, 13412), (2395, 13244), (3010, 10538), (3311, 9580), (3353, 9460), (4730, 6706), (4790, 6622), (5269, 6020)]