2943980

素因数分解:

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

素因数の和:115

約数の個数: 48

約数和(自身を含む): 6797280

約数和(自身を除く): 3853300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 169, 260, 268, 335, 338, 670, 676, 845, 871, 1340, 1690, 1742, 2197, 3380, 3484, 4355, 4394, 8710, 8788, 10985, 11323, 17420, 21970, 22646, 43940, 45292, 56615, 113230, 147199, 226460, 294398, 588796, 735995, 1471990, 2943980]

約数ペア:

[(1, 2943980), (2, 1471990), (4, 735995), (5, 588796), (10, 294398), (13, 226460), (20, 147199), (26, 113230), (52, 56615), (65, 45292), (67, 43940), (130, 22646), (134, 21970), (169, 17420), (260, 11323), (268, 10985), (335, 8788), (338, 8710), (670, 4394), (676, 4355), (845, 3484), (871, 3380), (1340, 2197), (1690, 1742)]