30874340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2657}}^1$

素因数の和:2756

約数の個数: 48

約数和(自身を含む): 75019392

約数和(自身を除く): 44145052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2657, 2905, 5314, 5810, 10628, 11620, 13285, 18599, 26570, 37198, 53140, 74396, 92995, 185990, 220531, 371980, 441062, 882124, 1102655, 1543717, 2205310, 3087434, 4410620, 6174868, 7718585, 15437170, 30874340]

約数ペア:

[(1, 30874340), (2, 15437170), (4, 7718585), (5, 6174868), (7, 4410620), (10, 3087434), (14, 2205310), (20, 1543717), (28, 1102655), (35, 882124), (70, 441062), (83, 371980), (140, 220531), (166, 185990), (332, 92995), (415, 74396), (581, 53140), (830, 37198), (1162, 26570), (1660, 18599), (2324, 13285), (2657, 11620), (2905, 10628), (5314, 5810)]