218635220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{6871}}^1$

素因数の和:6960

約数の個数: 48

約数和(自身を含む): 482579328

約数和(自身を除く): 263944108

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 3182, 6364, 6871, 7955, 13742, 15910, 27484, 31820, 34355, 68710, 137420, 254227, 295453, 508454, 590906, 1016908, 1181812, 1271135, 1477265, 2542270, 2954530, 5084540, 5909060, 10931761, 21863522, 43727044, 54658805, 109317610, 218635220]

約数ペア:

[(1, 218635220), (2, 109317610), (4, 54658805), (5, 43727044), (10, 21863522), (20, 10931761), (37, 5909060), (43, 5084540), (74, 2954530), (86, 2542270), (148, 1477265), (172, 1271135), (185, 1181812), (215, 1016908), (370, 590906), (430, 508454), (740, 295453), (860, 254227), (1591, 137420), (3182, 68710), (6364, 34355), (6871, 31820), (7955, 27484), (13742, 15910)]