650078060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 1426345200

約数和(自身を除く): 776267140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 227, 298, 310, 454, 596, 620, 745, 908, 961, 1135, 1490, 1922, 2270, 2980, 3844, 4540, 4619, 4805, 7037, 9238, 9610, 14074, 18476, 19220, 23095, 28148, 33823, 35185, 46190, 67646, 70370, 92380, 135292, 140740, 143189, 169115, 218147, 286378, 338230, 436294, 572756, 676460, 715945, 872588, 1048513, 1090735, 1431890, 2097026, 2181470, 2863780, 4194052, 4362940, 5242565, 10485130, 20970260, 32503903, 65007806, 130015612, 162519515, 325039030, 650078060]

約数ペア:

[(1, 650078060), (2, 325039030), (4, 162519515), (5, 130015612), (10, 65007806), (20, 32503903), (31, 20970260), (62, 10485130), (124, 5242565), (149, 4362940), (155, 4194052), (227, 2863780), (298, 2181470), (310, 2097026), (454, 1431890), (596, 1090735), (620, 1048513), (745, 872588), (908, 715945), (961, 676460), (1135, 572756), (1490, 436294), (1922, 338230), (2270, 286378), (2980, 218147), (3844, 169115), (4540, 143189), (4619, 140740), (4805, 135292), (7037, 92380), (9238, 70370), (9610, 67646), (14074, 46190), (18476, 35185), (19220, 33823), (23095, 28148)]