231217980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{550519}}^1$

素因数の和:550538

約数の個数: 48

約数和(自身を含む): 739898880

約数和(自身を除く): 508680900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 550519, 1101038, 1651557, 2202076, 2752595, 3303114, 3853633, 5505190, 6606228, 7707266, 8257785, 11010380, 11560899, 15414532, 16515570, 19268165, 23121798, 33031140, 38536330, 46243596, 57804495, 77072660, 115608990, 231217980]

約数ペア:

[(1, 231217980), (2, 115608990), (3, 77072660), (4, 57804495), (5, 46243596), (6, 38536330), (7, 33031140), (10, 23121798), (12, 19268165), (14, 16515570), (15, 15414532), (20, 11560899), (21, 11010380), (28, 8257785), (30, 7707266), (35, 6606228), (42, 5505190), (60, 3853633), (70, 3303114), (84, 2752595), (105, 2202076), (140, 1651557), (210, 1101038), (420, 550519)]