28409140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 62818560

約数和(自身を除く): 34409420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 151, 230, 302, 409, 460, 604, 755, 818, 1510, 1636, 2045, 3020, 3473, 4090, 6946, 8180, 9407, 13892, 17365, 18814, 34730, 37628, 47035, 61759, 69460, 94070, 123518, 188140, 247036, 308795, 617590, 1235180, 1420457, 2840914, 5681828, 7102285, 14204570, 28409140]

約数ペア:

[(1, 28409140), (2, 14204570), (4, 7102285), (5, 5681828), (10, 2840914), (20, 1420457), (23, 1235180), (46, 617590), (92, 308795), (115, 247036), (151, 188140), (230, 123518), (302, 94070), (409, 69460), (460, 61759), (604, 47035), (755, 37628), (818, 34730), (1510, 18814), (1636, 17365), (2045, 13892), (3020, 9407), (3473, 8180), (4090, 6946)]