47779900

素因数分解:

$2^2\times 5^2\times 7^4\times {\mathrm{199}}^1$

素因数の和:241

約数の個数: 90

約数和(自身を含む): 121563400

約数和(自身を除く): 73783500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 199, 245, 343, 350, 398, 490, 686, 700, 796, 980, 995, 1225, 1372, 1393, 1715, 1990, 2401, 2450, 2786, 3430, 3980, 4802, 4900, 4975, 5572, 6860, 6965, 8575, 9604, 9751, 9950, 12005, 13930, 17150, 19502, 19900, 24010, 27860, 34300, 34825, 39004, 48020, 48755, 60025, 68257, 69650, 97510, 120050, 136514, 139300, 195020, 240100, 243775, 273028, 341285, 477799, 487550, 682570, 955598, 975100, 1365140, 1706425, 1911196, 2388995, 3412850, 4777990, 6825700, 9555980, 11944975, 23889950, 47779900]

約数ペア:

[(1, 47779900), (2, 23889950), (4, 11944975), (5, 9555980), (7, 6825700), (10, 4777990), (14, 3412850), (20, 2388995), (25, 1911196), (28, 1706425), (35, 1365140), (49, 975100), (50, 955598), (70, 682570), (98, 487550), (100, 477799), (140, 341285), (175, 273028), (196, 243775), (199, 240100), (245, 195020), (343, 139300), (350, 136514), (398, 120050), (490, 97510), (686, 69650), (700, 68257), (796, 60025), (980, 48755), (995, 48020), (1225, 39004), (1372, 34825), (1393, 34300), (1715, 27860), (1990, 24010), (2401, 19900), (2450, 19502), (2786, 17150), (3430, 13930), (3980, 12005), (4802, 9950), (4900, 9751), (4975, 9604), (5572, 8575), (6860, 6965)]