223942460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3989}}^1$

素因数の和:4406

約数の個数: 48

約数和(自身を含む): 538937280

約数和(自身を除く): 314994820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2807, 3989, 4010, 5614, 7978, 8020, 11228, 14035, 15956, 19945, 27923, 28070, 39890, 55846, 56140, 79780, 111692, 139615, 279230, 558460, 1599589, 3199178, 6398356, 7997945, 11197123, 15995890, 22394246, 31991780, 44788492, 55985615, 111971230, 223942460]

約数ペア:

[(1, 223942460), (2, 111971230), (4, 55985615), (5, 44788492), (7, 31991780), (10, 22394246), (14, 15995890), (20, 11197123), (28, 7997945), (35, 6398356), (70, 3199178), (140, 1599589), (401, 558460), (802, 279230), (1604, 139615), (2005, 111692), (2807, 79780), (3989, 56140), (4010, 55846), (5614, 39890), (7978, 28070), (8020, 27923), (11228, 19945), (14035, 15956)]