243880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:98

約数の個数: 64

約数和(自身を含む): 685440

約数和(自身を除く): 441560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 91, 104, 130, 134, 140, 182, 260, 268, 280, 335, 364, 455, 469, 520, 536, 670, 728, 871, 910, 938, 1340, 1742, 1820, 1876, 2345, 2680, 3484, 3640, 3752, 4355, 4690, 6097, 6968, 8710, 9380, 12194, 17420, 18760, 24388, 30485, 34840, 48776, 60970, 121940, 243880]

約数ペア:

[(1, 243880), (2, 121940), (4, 60970), (5, 48776), (7, 34840), (8, 30485), (10, 24388), (13, 18760), (14, 17420), (20, 12194), (26, 9380), (28, 8710), (35, 6968), (40, 6097), (52, 4690), (56, 4355), (65, 3752), (67, 3640), (70, 3484), (91, 2680), (104, 2345), (130, 1876), (134, 1820), (140, 1742), (182, 1340), (260, 938), (268, 910), (280, 871), (335, 728), (364, 670), (455, 536), (469, 520)]