3549940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 8083152

約数和(自身を除く): 4533212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 197, 212, 265, 340, 394, 530, 788, 901, 985, 1060, 1802, 1970, 3349, 3604, 3940, 4505, 6698, 9010, 10441, 13396, 16745, 18020, 20882, 33490, 41764, 52205, 66980, 104410, 177497, 208820, 354994, 709988, 887485, 1774970, 3549940]

約数ペア:

[(1, 3549940), (2, 1774970), (4, 887485), (5, 709988), (10, 354994), (17, 208820), (20, 177497), (34, 104410), (53, 66980), (68, 52205), (85, 41764), (106, 33490), (170, 20882), (197, 18020), (212, 16745), (265, 13396), (340, 10441), (394, 9010), (530, 6698), (788, 4505), (901, 3940), (985, 3604), (1060, 3349), (1802, 1970)]