198393050

素因数分解:

$2^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 376166400

約数和(自身を除く): 177773350

約数列:

[1, 2, 5, 10, 25, 50, 127, 157, 199, 254, 314, 398, 635, 785, 995, 1270, 1570, 1990, 3175, 3925, 4975, 6350, 7850, 9950, 19939, 25273, 31243, 39878, 50546, 62486, 99695, 126365, 156215, 199390, 252730, 312430, 498475, 631825, 781075, 996950, 1263650, 1562150, 3967861, 7935722, 19839305, 39678610, 99196525, 198393050]

約数ペア:

[(1, 198393050), (2, 99196525), (5, 39678610), (10, 19839305), (25, 7935722), (50, 3967861), (127, 1562150), (157, 1263650), (199, 996950), (254, 781075), (314, 631825), (398, 498475), (635, 312430), (785, 252730), (995, 199390), (1270, 156215), (1570, 126365), (1990, 99695), (3175, 62486), (3925, 50546), (4975, 39878), (6350, 31243), (7850, 25273), (9950, 19939)]