555667700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3989}}^1$

素因数の和:4209

約数の個数: 72

約数和(自身を含む): 1385328000

約数和(自身を除く): 829660300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 199, 350, 398, 700, 796, 995, 1393, 1990, 2786, 3980, 3989, 4975, 5572, 6965, 7978, 9950, 13930, 15956, 19900, 19945, 27860, 27923, 34825, 39890, 55846, 69650, 79780, 99725, 111692, 139300, 139615, 199450, 279230, 398900, 558460, 698075, 793811, 1396150, 1587622, 2792300, 3175244, 3969055, 5556677, 7938110, 11113354, 15876220, 19845275, 22226708, 27783385, 39690550, 55566770, 79381100, 111133540, 138916925, 277833850, 555667700]

約数ペア:

[(1, 555667700), (2, 277833850), (4, 138916925), (5, 111133540), (7, 79381100), (10, 55566770), (14, 39690550), (20, 27783385), (25, 22226708), (28, 19845275), (35, 15876220), (50, 11113354), (70, 7938110), (100, 5556677), (140, 3969055), (175, 3175244), (199, 2792300), (350, 1587622), (398, 1396150), (700, 793811), (796, 698075), (995, 558460), (1393, 398900), (1990, 279230), (2786, 199450), (3980, 139615), (3989, 139300), (4975, 111692), (5572, 99725), (6965, 79780), (7978, 69650), (9950, 55846), (13930, 39890), (15956, 34825), (19900, 27923), (19945, 27860)]