28516040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14549}}^1$

素因数の和:14574

約数の個数: 48

約数和(自身を含む): 74641500

約数和(自身を除く): 46125460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14549, 29098, 58196, 72745, 101843, 116392, 145490, 203686, 290980, 407372, 509215, 581960, 712901, 814744, 1018430, 1425802, 2036860, 2851604, 3564505, 4073720, 5703208, 7129010, 14258020, 28516040]

約数ペア:

[(1, 28516040), (2, 14258020), (4, 7129010), (5, 5703208), (7, 4073720), (8, 3564505), (10, 2851604), (14, 2036860), (20, 1425802), (28, 1018430), (35, 814744), (40, 712901), (49, 581960), (56, 509215), (70, 407372), (98, 290980), (140, 203686), (196, 145490), (245, 116392), (280, 101843), (392, 72745), (490, 58196), (980, 29098), (1960, 14549)]