17898315020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{145823}}^1$

素因数の和:145887

約数の個数: 72

約数和(自身を含む): 42002561664

約数和(自身を除く): 24104246644

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 361, 380, 646, 722, 1292, 1444, 1615, 1805, 3230, 3610, 6137, 6460, 7220, 12274, 24548, 30685, 61370, 122740, 145823, 291646, 583292, 729115, 1458230, 2478991, 2770637, 2916460, 4957982, 5541274, 9915964, 11082548, 12394955, 13853185, 24789910, 27706370, 47100829, 49579820, 52642103, 55412740, 94201658, 105284206, 188403316, 210568412, 235504145, 263210515, 471008290, 526421030, 894915751, 942016580, 1052842060, 1789831502, 3579663004, 4474578755, 8949157510, 17898315020]

約数ペア:

[(1, 17898315020), (2, 8949157510), (4, 4474578755), (5, 3579663004), (10, 1789831502), (17, 1052842060), (19, 942016580), (20, 894915751), (34, 526421030), (38, 471008290), (68, 263210515), (76, 235504145), (85, 210568412), (95, 188403316), (170, 105284206), (190, 94201658), (323, 55412740), (340, 52642103), (361, 49579820), (380, 47100829), (646, 27706370), (722, 24789910), (1292, 13853185), (1444, 12394955), (1615, 11082548), (1805, 9915964), (3230, 5541274), (3610, 4957982), (6137, 2916460), (6460, 2770637), (7220, 2478991), (12274, 1458230), (24548, 729115), (30685, 583292), (61370, 291646), (122740, 145823)]