42104020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{300743}}^1$

素因数の和:300759

約数の個数: 24

約数和(自身を含む): 101049984

約数和(自身を除く): 58945964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 300743, 601486, 1202972, 1503715, 2105201, 3007430, 4210402, 6014860, 8420804, 10526005, 21052010, 42104020]

約数ペア:

[(1, 42104020), (2, 21052010), (4, 10526005), (5, 8420804), (7, 6014860), (10, 4210402), (14, 3007430), (20, 2105201), (28, 1503715), (35, 1202972), (70, 601486), (140, 300743)]