140691490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{4201}}^1$

素因数の和:4422

約数の個数: 32

約数和(自身を含む): 269566704

約数和(自身を除く): 128875214

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 197, 394, 985, 1970, 3349, 4201, 6698, 8402, 16745, 21005, 33490, 42010, 71417, 142834, 357085, 714170, 827597, 1655194, 4137985, 8275970, 14069149, 28138298, 70345745, 140691490]

約数ペア:

[(1, 140691490), (2, 70345745), (5, 28138298), (10, 14069149), (17, 8275970), (34, 4137985), (85, 1655194), (170, 827597), (197, 714170), (394, 357085), (985, 142834), (1970, 71417), (3349, 42010), (4201, 33490), (6698, 21005), (8402, 16745)]