218327780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{683}}^1\times {\mathrm{1453}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 501246144

約数和(自身を除く): 282918364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 683, 1366, 1453, 2732, 2906, 3415, 5812, 6830, 7265, 7513, 13660, 14530, 15026, 15983, 29060, 30052, 31966, 37565, 63932, 75130, 79915, 150260, 159830, 319660, 992399, 1984798, 3969596, 4961995, 9923990, 10916389, 19847980, 21832778, 43665556, 54581945, 109163890, 218327780]

約数ペア:

[(1, 218327780), (2, 109163890), (4, 54581945), (5, 43665556), (10, 21832778), (11, 19847980), (20, 10916389), (22, 9923990), (44, 4961995), (55, 3969596), (110, 1984798), (220, 992399), (683, 319660), (1366, 159830), (1453, 150260), (2732, 79915), (2906, 75130), (3415, 63932), (5812, 37565), (6830, 31966), (7265, 30052), (7513, 29060), (13660, 15983), (14530, 15026)]