204105220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 520168320

約数和(自身を除く): 316063100

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 38, 44, 46, 55, 76, 92, 95, 110, 115, 121, 190, 193, 209, 220, 230, 242, 253, 380, 386, 418, 437, 460, 484, 506, 605, 772, 836, 874, 965, 1012, 1045, 1210, 1265, 1748, 1930, 2090, 2123, 2185, 2299, 2420, 2530, 2783, 3667, 3860, 4180, 4246, 4370, 4439, 4598, 4807, 5060, 5566, 7334, 8492, 8740, 8878, 9196, 9614, 10615, 11132, 11495, 13915, 14668, 17756, 18335, 19228, 21230, 22195, 22990, 23353, 24035, 27830, 36670, 40337, 42460, 44390, 45980, 46706, 48070, 48829, 52877, 55660, 73340, 80674, 84341, 88780, 93412, 96140, 97658, 105754, 116765, 161348, 168682, 195316, 201685, 211508, 233530, 244145, 264385, 337364, 403370, 421705, 443707, 467060, 488290, 528770, 537119, 806740, 843410, 887414, 927751, 976580, 1057540, 1074238, 1686820, 1774828, 1855502, 2148476, 2218535, 2685595, 3711004, 4437070, 4638755, 5371190, 8874140, 9277510, 10205261, 10742380, 18555020, 20410522, 40821044, 51026305, 102052610, 204105220]

約数ペア:

[(1, 204105220), (2, 102052610), (4, 51026305), (5, 40821044), (10, 20410522), (11, 18555020), (19, 10742380), (20, 10205261), (22, 9277510), (23, 8874140), (38, 5371190), (44, 4638755), (46, 4437070), (55, 3711004), (76, 2685595), (92, 2218535), (95, 2148476), (110, 1855502), (115, 1774828), (121, 1686820), (190, 1074238), (193, 1057540), (209, 976580), (220, 927751), (230, 887414), (242, 843410), (253, 806740), (380, 537119), (386, 528770), (418, 488290), (437, 467060), (460, 443707), (484, 421705), (506, 403370), (605, 337364), (772, 264385), (836, 244145), (874, 233530), (965, 211508), (1012, 201685), (1045, 195316), (1210, 168682), (1265, 161348), (1748, 116765), (1930, 105754), (2090, 97658), (2123, 96140), (2185, 93412), (2299, 88780), (2420, 84341), (2530, 80674), (2783, 73340), (3667, 55660), (3860, 52877), (4180, 48829), (4246, 48070), (4370, 46706), (4439, 45980), (4598, 44390), (4807, 42460), (5060, 40337), (5566, 36670), (7334, 27830), (8492, 24035), (8740, 23353), (8878, 22990), (9196, 22195), (9614, 21230), (10615, 19228), (11132, 18335), (11495, 17756), (13915, 14668)]