8381980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 18539136

約数和(自身を除く): 10157156

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 241, 370, 470, 482, 740, 940, 964, 1205, 1739, 2410, 3478, 4820, 6956, 8695, 8917, 11327, 17390, 17834, 22654, 34780, 35668, 44585, 45308, 56635, 89170, 113270, 178340, 226540, 419099, 838198, 1676396, 2095495, 4190990, 8381980]

約数ペア:

[(1, 8381980), (2, 4190990), (4, 2095495), (5, 1676396), (10, 838198), (20, 419099), (37, 226540), (47, 178340), (74, 113270), (94, 89170), (148, 56635), (185, 45308), (188, 44585), (235, 35668), (241, 34780), (370, 22654), (470, 17834), (482, 17390), (740, 11327), (940, 8917), (964, 8695), (1205, 6956), (1739, 4820), (2410, 3478)]