19546100

素因数分解:

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

素因数の和:4017

約数の個数: 54

約数和(自身を含む): 49352310

約数和(自身を除く): 29806210

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 3989, 4900, 7978, 15956, 19945, 27923, 39890, 55846, 79780, 99725, 111692, 139615, 195461, 199450, 279230, 390922, 398900, 558460, 698075, 781844, 977305, 1396150, 1954610, 2792300, 3909220, 4886525, 9773050, 19546100]

約数ペア:

[(1, 19546100), (2, 9773050), (4, 4886525), (5, 3909220), (7, 2792300), (10, 1954610), (14, 1396150), (20, 977305), (25, 781844), (28, 698075), (35, 558460), (49, 398900), (50, 390922), (70, 279230), (98, 199450), (100, 195461), (140, 139615), (175, 111692), (196, 99725), (245, 79780), (350, 55846), (490, 39890), (700, 27923), (980, 19945), (1225, 15956), (2450, 7978), (3989, 4900)]