156988640810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{427727}}^1$

素因数の和:427895

約数の個数: 48

約数和(自身を含む): 302543990784

約数和(自身を除く): 145555349974

約数列:

[1, 2, 5, 10, 17, 34, 85, 127, 170, 254, 289, 578, 635, 1270, 1445, 2159, 2890, 4318, 10795, 21590, 36703, 73406, 183515, 367030, 427727, 855454, 2138635, 4277270, 7271359, 14542718, 36356795, 54321329, 72713590, 108642658, 123613103, 247226206, 271606645, 543213290, 618065515, 923462593, 1236131030, 1846925186, 4617312965, 9234625930, 15698864081, 31397728162, 78494320405, 156988640810]

約数ペア:

[(1, 156988640810), (2, 78494320405), (5, 31397728162), (10, 15698864081), (17, 9234625930), (34, 4617312965), (85, 1846925186), (127, 1236131030), (170, 923462593), (254, 618065515), (289, 543213290), (578, 271606645), (635, 247226206), (1270, 123613103), (1445, 108642658), (2159, 72713590), (2890, 54321329), (4318, 36356795), (10795, 14542718), (21590, 7271359), (36703, 4277270), (73406, 2138635), (183515, 855454), (367030, 427727)]