220235288

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{857}}^1$

素因数の和:1236

約数の個数: 64

約数和(自身を含む): 510269760

約数和(自身を除く): 290034472

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 353, 364, 706, 728, 857, 1412, 1714, 2471, 2824, 3428, 4589, 4942, 5999, 6856, 9178, 9884, 11141, 11998, 18356, 19768, 22282, 23996, 32123, 36712, 44564, 47992, 64246, 77987, 89128, 128492, 155974, 256984, 302521, 311948, 605042, 623896, 1210084, 2117647, 2420168, 3932773, 4235294, 7865546, 8470588, 15731092, 16941176, 27529411, 31462184, 55058822, 110117644, 220235288]

約数ペア:

[(1, 220235288), (2, 110117644), (4, 55058822), (7, 31462184), (8, 27529411), (13, 16941176), (14, 15731092), (26, 8470588), (28, 7865546), (52, 4235294), (56, 3932773), (91, 2420168), (104, 2117647), (182, 1210084), (353, 623896), (364, 605042), (706, 311948), (728, 302521), (857, 256984), (1412, 155974), (1714, 128492), (2471, 89128), (2824, 77987), (3428, 64246), (4589, 47992), (4942, 44564), (5999, 36712), (6856, 32123), (9178, 23996), (9884, 22282), (11141, 19768), (11998, 18356)]