338740220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 895265280

約数和(自身を除く): 556525060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 103, 130, 139, 140, 169, 182, 206, 260, 278, 338, 364, 412, 455, 515, 556, 676, 695, 721, 845, 910, 973, 1030, 1183, 1339, 1390, 1442, 1690, 1807, 1820, 1946, 2060, 2366, 2678, 2780, 2884, 3380, 3605, 3614, 3892, 4732, 4865, 5356, 5915, 6695, 7210, 7228, 9035, 9373, 9730, 11830, 12649, 13390, 14317, 14420, 17407, 18070, 18746, 19460, 23491, 23660, 25298, 26780, 28634, 34814, 36140, 37492, 46865, 46982, 50596, 57268, 63245, 69628, 71585, 87035, 93730, 93964, 100219, 117455, 121849, 126490, 143170, 164437, 174070, 186121, 187460, 200438, 234910, 243698, 252980, 286340, 328874, 348140, 372242, 400876, 469820, 487396, 501095, 609245, 657748, 744484, 822185, 930605, 1002190, 1218490, 1302847, 1644370, 1861210, 2004380, 2419573, 2436980, 2605694, 3288740, 3722420, 4839146, 5211388, 6514235, 9678292, 12097865, 13028470, 16937011, 24195730, 26056940, 33874022, 48391460, 67748044, 84685055, 169370110, 338740220]

約数ペア:

[(1, 338740220), (2, 169370110), (4, 84685055), (5, 67748044), (7, 48391460), (10, 33874022), (13, 26056940), (14, 24195730), (20, 16937011), (26, 13028470), (28, 12097865), (35, 9678292), (52, 6514235), (65, 5211388), (70, 4839146), (91, 3722420), (103, 3288740), (130, 2605694), (139, 2436980), (140, 2419573), (169, 2004380), (182, 1861210), (206, 1644370), (260, 1302847), (278, 1218490), (338, 1002190), (364, 930605), (412, 822185), (455, 744484), (515, 657748), (556, 609245), (676, 501095), (695, 487396), (721, 469820), (845, 400876), (910, 372242), (973, 348140), (1030, 328874), (1183, 286340), (1339, 252980), (1390, 243698), (1442, 234910), (1690, 200438), (1807, 187460), (1820, 186121), (1946, 174070), (2060, 164437), (2366, 143170), (2678, 126490), (2780, 121849), (2884, 117455), (3380, 100219), (3605, 93964), (3614, 93730), (3892, 87035), (4732, 71585), (4865, 69628), (5356, 63245), (5915, 57268), (6695, 50596), (7210, 46982), (7228, 46865), (9035, 37492), (9373, 36140), (9730, 34814), (11830, 28634), (12649, 26780), (13390, 25298), (14317, 23660), (14420, 23491), (17407, 19460), (18070, 18746)]