289360940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^2\times {\mathrm{293}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 675238032

約数和(自身を除く): 385877092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 293, 335, 586, 670, 737, 1172, 1340, 1465, 1474, 2930, 2948, 3223, 3685, 4489, 5860, 6446, 7370, 8978, 12892, 14740, 16115, 17956, 19631, 22445, 32230, 39262, 44890, 49379, 64460, 78524, 89780, 98155, 98758, 196310, 197516, 215941, 246895, 392620, 431882, 493790, 863764, 987580, 1079705, 1315277, 2159410, 2630554, 4318820, 5261108, 6576385, 13152770, 14468047, 26305540, 28936094, 57872188, 72340235, 144680470, 289360940]

約数ペア:

[(1, 289360940), (2, 144680470), (4, 72340235), (5, 57872188), (10, 28936094), (11, 26305540), (20, 14468047), (22, 13152770), (44, 6576385), (55, 5261108), (67, 4318820), (110, 2630554), (134, 2159410), (220, 1315277), (268, 1079705), (293, 987580), (335, 863764), (586, 493790), (670, 431882), (737, 392620), (1172, 246895), (1340, 215941), (1465, 197516), (1474, 196310), (2930, 98758), (2948, 98155), (3223, 89780), (3685, 78524), (4489, 64460), (5860, 49379), (6446, 44890), (7370, 39262), (8978, 32230), (12892, 22445), (14740, 19631), (16115, 17956)]