163945180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{967}}^1$

素因数の和:1163

約数の個数: 72

約数和(自身を含む): 403226208

約数和(自身を除く): 239281028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 196, 245, 346, 490, 692, 865, 967, 980, 1211, 1730, 1934, 2422, 3460, 3868, 4835, 4844, 6055, 6769, 8477, 9670, 12110, 13538, 16954, 19340, 24220, 27076, 33845, 33908, 42385, 47383, 67690, 84770, 94766, 135380, 167291, 169540, 189532, 236915, 334582, 473830, 669164, 836455, 947660, 1171037, 1672910, 2342074, 3345820, 4684148, 5855185, 8197259, 11710370, 16394518, 23420740, 32789036, 40986295, 81972590, 163945180]

約数ペア:

[(1, 163945180), (2, 81972590), (4, 40986295), (5, 32789036), (7, 23420740), (10, 16394518), (14, 11710370), (20, 8197259), (28, 5855185), (35, 4684148), (49, 3345820), (70, 2342074), (98, 1672910), (140, 1171037), (173, 947660), (196, 836455), (245, 669164), (346, 473830), (490, 334582), (692, 236915), (865, 189532), (967, 169540), (980, 167291), (1211, 135380), (1730, 94766), (1934, 84770), (2422, 67690), (3460, 47383), (3868, 42385), (4835, 33908), (4844, 33845), (6055, 27076), (6769, 24220), (8477, 19340), (9670, 16954), (12110, 13538)]