316636360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{129769}}^1$

素因数の和:129841

約数の個数: 32

約数和(自身を含む): 724116600

約数和(自身を除く): 407480240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 129769, 259538, 519076, 648845, 1038152, 1297690, 2595380, 5190760, 7915909, 15831818, 31663636, 39579545, 63327272, 79159090, 158318180, 316636360]

約数ペア:

[(1, 316636360), (2, 158318180), (4, 79159090), (5, 63327272), (8, 39579545), (10, 31663636), (20, 15831818), (40, 7915909), (61, 5190760), (122, 2595380), (244, 1297690), (305, 1038152), (488, 648845), (610, 519076), (1220, 259538), (2440, 129769)]