396786100

素因数分解:

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

素因数の和:497

約数の個数: 72

約数和(自身を含む): 877721600

約数和(自身を除く): 480935500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 157, 199, 254, 314, 398, 508, 628, 635, 785, 796, 995, 1270, 1570, 1990, 2540, 3140, 3175, 3925, 3980, 4975, 6350, 7850, 9950, 12700, 15700, 19900, 19939, 25273, 31243, 39878, 50546, 62486, 79756, 99695, 101092, 124972, 126365, 156215, 199390, 252730, 312430, 398780, 498475, 505460, 624860, 631825, 781075, 996950, 1263650, 1562150, 1993900, 2527300, 3124300, 3967861, 7935722, 15871444, 19839305, 39678610, 79357220, 99196525, 198393050, 396786100]

約数ペア:

[(1, 396786100), (2, 198393050), (4, 99196525), (5, 79357220), (10, 39678610), (20, 19839305), (25, 15871444), (50, 7935722), (100, 3967861), (127, 3124300), (157, 2527300), (199, 1993900), (254, 1562150), (314, 1263650), (398, 996950), (508, 781075), (628, 631825), (635, 624860), (785, 505460), (796, 498475), (995, 398780), (1270, 312430), (1570, 252730), (1990, 199390), (2540, 156215), (3140, 126365), (3175, 124972), (3925, 101092), (3980, 99695), (4975, 79756), (6350, 62486), (7850, 50546), (9950, 39878), (12700, 31243), (15700, 25273), (19900, 19939)]