30257860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 67415040

約数和(自身を除く): 37157180

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 1319, 2294, 2638, 4588, 5276, 5735, 6595, 11470, 13190, 22940, 26380, 40889, 48803, 81778, 97606, 163556, 195212, 204445, 244015, 408890, 488030, 817780, 976060, 1512893, 3025786, 6051572, 7564465, 15128930, 30257860]

約数ペア:

[(1, 30257860), (2, 15128930), (4, 7564465), (5, 6051572), (10, 3025786), (20, 1512893), (31, 976060), (37, 817780), (62, 488030), (74, 408890), (124, 244015), (148, 204445), (155, 195212), (185, 163556), (310, 97606), (370, 81778), (620, 48803), (740, 40889), (1147, 26380), (1319, 22940), (2294, 13190), (2638, 11470), (4588, 6595), (5276, 5735)]