219921770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{1789}}^1$

素因数の和:2462

約数の個数: 32

約数和(自身を含む): 417571200

約数和(自身を除く): 197649430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 647, 1294, 1789, 3235, 3578, 6470, 8945, 12293, 17890, 24586, 33991, 61465, 67982, 122930, 169955, 339910, 1157483, 2314966, 5787415, 11574830, 21992177, 43984354, 109960885, 219921770]

約数ペア:

[(1, 219921770), (2, 109960885), (5, 43984354), (10, 21992177), (19, 11574830), (38, 5787415), (95, 2314966), (190, 1157483), (647, 339910), (1294, 169955), (1789, 122930), (3235, 67982), (3578, 61465), (6470, 33991), (8945, 24586), (12293, 17890)]