28440860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3833}}^1$

素因数の和:3902

約数の個数: 48

約数和(自身を含む): 69564096

約数和(自身を除く): 41123236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 3833, 7420, 7666, 15332, 19165, 26831, 38330, 53662, 76660, 107324, 134155, 203149, 268310, 406298, 536620, 812596, 1015745, 1422043, 2031490, 2844086, 4062980, 5688172, 7110215, 14220430, 28440860]

約数ペア:

[(1, 28440860), (2, 14220430), (4, 7110215), (5, 5688172), (7, 4062980), (10, 2844086), (14, 2031490), (20, 1422043), (28, 1015745), (35, 812596), (53, 536620), (70, 406298), (106, 268310), (140, 203149), (212, 134155), (265, 107324), (371, 76660), (530, 53662), (742, 38330), (1060, 26831), (1484, 19165), (1855, 15332), (3710, 7666), (3833, 7420)]