30349780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 66044160

約数和(自身を除く): 35694380

約数列:

[1, 2, 4, 5, 10, 20, 47, 83, 94, 166, 188, 235, 332, 389, 415, 470, 778, 830, 940, 1556, 1660, 1945, 3890, 3901, 7780, 7802, 15604, 18283, 19505, 32287, 36566, 39010, 64574, 73132, 78020, 91415, 129148, 161435, 182830, 322870, 365660, 645740, 1517489, 3034978, 6069956, 7587445, 15174890, 30349780]

約数ペア:

[(1, 30349780), (2, 15174890), (4, 7587445), (5, 6069956), (10, 3034978), (20, 1517489), (47, 645740), (83, 365660), (94, 322870), (166, 182830), (188, 161435), (235, 129148), (332, 91415), (389, 78020), (415, 73132), (470, 64574), (778, 39010), (830, 36566), (940, 32287), (1556, 19505), (1660, 18283), (1945, 15604), (3890, 7802), (3901, 7780)]