222870180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{285731}}^1$

素因数の和:285756

約数の個数: 48

約数和(自身を含む): 672041664

約数和(自身を除く): 449171484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 285731, 571462, 857193, 1142924, 1428655, 1714386, 2857310, 3428772, 3714503, 4285965, 5714620, 7429006, 8571930, 11143509, 14858012, 17143860, 18572515, 22287018, 37145030, 44574036, 55717545, 74290060, 111435090, 222870180]

約数ペア:

[(1, 222870180), (2, 111435090), (3, 74290060), (4, 55717545), (5, 44574036), (6, 37145030), (10, 22287018), (12, 18572515), (13, 17143860), (15, 14858012), (20, 11143509), (26, 8571930), (30, 7429006), (39, 5714620), (52, 4285965), (60, 3714503), (65, 3428772), (78, 2857310), (130, 1714386), (156, 1428655), (195, 1142924), (260, 857193), (390, 571462), (780, 285731)]