438217175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 610460928

約数和(自身を除く): 172243753

約数列:

[1, 5, 11, 25, 55, 73, 83, 263, 275, 365, 415, 803, 913, 1315, 1825, 2075, 2893, 4015, 4565, 6059, 6575, 14465, 19199, 20075, 21829, 22825, 30295, 66649, 72325, 95995, 109145, 151475, 211189, 240119, 333245, 479975, 545725, 1055945, 1200595, 1593517, 1666225, 5279725, 6002975, 7967585, 17528687, 39837925, 87643435, 438217175]

約数ペア:

[(1, 438217175), (5, 87643435), (11, 39837925), (25, 17528687), (55, 7967585), (73, 6002975), (83, 5279725), (263, 1666225), (275, 1593517), (365, 1200595), (415, 1055945), (803, 545725), (913, 479975), (1315, 333245), (1825, 240119), (2075, 211189), (2893, 151475), (4015, 109145), (4565, 95995), (6059, 72325), (6575, 66649), (14465, 30295), (19199, 22825), (20075, 21829)]