90980680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324931}}^1$

素因数の和:324949

約数の個数: 32

約数和(自身を含む): 233951040

約数和(自身を除く): 142970360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324931, 649862, 1299724, 1624655, 2274517, 2599448, 3249310, 4549034, 6498620, 9098068, 11372585, 12997240, 18196136, 22745170, 45490340, 90980680]

約数ペア:

[(1, 90980680), (2, 45490340), (4, 22745170), (5, 18196136), (7, 12997240), (8, 11372585), (10, 9098068), (14, 6498620), (20, 4549034), (28, 3249310), (35, 2599448), (40, 2274517), (56, 1624655), (70, 1299724), (140, 649862), (280, 324931)]