331212020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{983}}^1\times {\mathrm{991}}^1$

素因数の和:2000

約数の個数: 48

約数和(自身を含む): 737952768

約数和(自身を除く): 406740748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 983, 991, 1966, 1982, 3932, 3964, 4915, 4955, 9830, 9910, 16711, 16847, 19660, 19820, 33422, 33694, 66844, 67388, 83555, 84235, 167110, 168470, 334220, 336940, 974153, 1948306, 3896612, 4870765, 9741530, 16560601, 19483060, 33121202, 66242404, 82803005, 165606010, 331212020]

約数ペア:

[(1, 331212020), (2, 165606010), (4, 82803005), (5, 66242404), (10, 33121202), (17, 19483060), (20, 16560601), (34, 9741530), (68, 4870765), (85, 3896612), (170, 1948306), (340, 974153), (983, 336940), (991, 334220), (1966, 168470), (1982, 167110), (3932, 84235), (3964, 83555), (4915, 67388), (4955, 66844), (9830, 33694), (9910, 33422), (16711, 19820), (16847, 19660)]