30489580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 72260496

約数和(自身を除く): 41770916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 293, 430, 473, 484, 586, 605, 860, 946, 1172, 1210, 1465, 1892, 2365, 2420, 2930, 3223, 4730, 5203, 5860, 6446, 9460, 10406, 12599, 12892, 16115, 20812, 25198, 26015, 32230, 35453, 50396, 52030, 62995, 64460, 70906, 104060, 125990, 138589, 141812, 177265, 251980, 277178, 354530, 554356, 692945, 709060, 1385890, 1524479, 2771780, 3048958, 6097916, 7622395, 15244790, 30489580]

約数ペア:

[(1, 30489580), (2, 15244790), (4, 7622395), (5, 6097916), (10, 3048958), (11, 2771780), (20, 1524479), (22, 1385890), (43, 709060), (44, 692945), (55, 554356), (86, 354530), (110, 277178), (121, 251980), (172, 177265), (215, 141812), (220, 138589), (242, 125990), (293, 104060), (430, 70906), (473, 64460), (484, 62995), (586, 52030), (605, 50396), (860, 35453), (946, 32230), (1172, 26015), (1210, 25198), (1465, 20812), (1892, 16115), (2365, 12892), (2420, 12599), (2930, 10406), (3223, 9460), (4730, 6446), (5203, 5860)]