397693604

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 108

約数和(自身を含む): 913813740

約数和(自身を除く): 516120136

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 49, 77, 82, 98, 121, 154, 164, 196, 242, 287, 308, 409, 451, 484, 539, 574, 818, 847, 902, 1078, 1148, 1636, 1694, 1804, 2009, 2156, 2863, 3157, 3388, 4018, 4499, 4961, 5726, 5929, 6314, 8036, 8998, 9922, 11452, 11858, 12628, 16769, 17996, 19844, 20041, 22099, 23716, 31493, 33538, 34727, 40082, 44198, 49489, 62986, 67076, 69454, 80164, 88396, 98978, 117383, 125972, 138908, 184459, 197956, 220451, 234766, 243089, 346423, 368918, 440902, 469532, 486178, 692846, 737836, 821681, 881804, 972356, 1291213, 1385692, 1643362, 2029049, 2424961, 2582426, 3286724, 4058098, 4849922, 5164852, 8116196, 9038491, 9699844, 14203343, 18076982, 28406686, 36153964, 56813372, 99423401, 198846802, 397693604]

約数ペア:

[(1, 397693604), (2, 198846802), (4, 99423401), (7, 56813372), (11, 36153964), (14, 28406686), (22, 18076982), (28, 14203343), (41, 9699844), (44, 9038491), (49, 8116196), (77, 5164852), (82, 4849922), (98, 4058098), (121, 3286724), (154, 2582426), (164, 2424961), (196, 2029049), (242, 1643362), (287, 1385692), (308, 1291213), (409, 972356), (451, 881804), (484, 821681), (539, 737836), (574, 692846), (818, 486178), (847, 469532), (902, 440902), (1078, 368918), (1148, 346423), (1636, 243089), (1694, 234766), (1804, 220451), (2009, 197956), (2156, 184459), (2863, 138908), (3157, 125972), (3388, 117383), (4018, 98978), (4499, 88396), (4961, 80164), (5726, 69454), (5929, 67076), (6314, 62986), (8036, 49489), (8998, 44198), (9922, 40082), (11452, 34727), (11858, 33538), (12628, 31493), (16769, 23716), (17996, 22099), (19844, 20041)]