103010740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 253237320

約数和(自身を除く): 150226580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 257, 409, 490, 514, 818, 980, 1028, 1285, 1636, 1799, 2045, 2570, 2863, 3598, 4090, 5140, 5726, 7196, 8180, 8995, 11452, 12593, 14315, 17990, 20041, 25186, 28630, 35980, 40082, 50372, 57260, 62965, 80164, 100205, 105113, 125930, 200410, 210226, 251860, 400820, 420452, 525565, 735791, 1051130, 1471582, 2102260, 2943164, 3678955, 5150537, 7357910, 10301074, 14715820, 20602148, 25752685, 51505370, 103010740]

約数ペア:

[(1, 103010740), (2, 51505370), (4, 25752685), (5, 20602148), (7, 14715820), (10, 10301074), (14, 7357910), (20, 5150537), (28, 3678955), (35, 2943164), (49, 2102260), (70, 1471582), (98, 1051130), (140, 735791), (196, 525565), (245, 420452), (257, 400820), (409, 251860), (490, 210226), (514, 200410), (818, 125930), (980, 105113), (1028, 100205), (1285, 80164), (1636, 62965), (1799, 57260), (2045, 50372), (2570, 40082), (2863, 35980), (3598, 28630), (4090, 25186), (5140, 20041), (5726, 17990), (7196, 14315), (8180, 12593), (8995, 11452)]