1337403920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{46309}}^1$

素因数の和:46360

約数の個数: 60

約数和(自身を含む): 3281804460

約数和(自身を除く): 1944400540

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3610, 5776, 7220, 14440, 28880, 46309, 92618, 185236, 231545, 370472, 463090, 740944, 879871, 926180, 1759742, 1852360, 3519484, 3704720, 4399355, 7038968, 8798710, 14077936, 16717549, 17597420, 33435098, 35194840, 66870196, 70389680, 83587745, 133740392, 167175490, 267480784, 334350980, 668701960, 1337403920]

約数ペア:

[(1, 1337403920), (2, 668701960), (4, 334350980), (5, 267480784), (8, 167175490), (10, 133740392), (16, 83587745), (19, 70389680), (20, 66870196), (38, 35194840), (40, 33435098), (76, 17597420), (80, 16717549), (95, 14077936), (152, 8798710), (190, 7038968), (304, 4399355), (361, 3704720), (380, 3519484), (722, 1852360), (760, 1759742), (1444, 926180), (1520, 879871), (1805, 740944), (2888, 463090), (3610, 370472), (5776, 231545), (7220, 185236), (14440, 92618), (28880, 46309)]