764756840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 1831908960

約数和(自身を除く): 1067152120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 211, 251, 361, 380, 422, 502, 722, 760, 844, 1004, 1055, 1255, 1444, 1688, 1805, 2008, 2110, 2510, 2888, 3610, 4009, 4220, 4769, 5020, 7220, 8018, 8440, 9538, 10040, 14440, 16036, 19076, 20045, 23845, 32072, 38152, 40090, 47690, 52961, 76171, 80180, 90611, 95380, 105922, 152342, 160360, 181222, 190760, 211844, 264805, 304684, 362444, 380855, 423688, 453055, 529610, 609368, 724888, 761710, 906110, 1006259, 1059220, 1523420, 1812220, 2012518, 2118440, 3046840, 3624440, 4025036, 5031295, 8050072, 10062590, 19118921, 20125180, 38237842, 40250360, 76475684, 95594605, 152951368, 191189210, 382378420, 764756840]

約数ペア:

[(1, 764756840), (2, 382378420), (4, 191189210), (5, 152951368), (8, 95594605), (10, 76475684), (19, 40250360), (20, 38237842), (38, 20125180), (40, 19118921), (76, 10062590), (95, 8050072), (152, 5031295), (190, 4025036), (211, 3624440), (251, 3046840), (361, 2118440), (380, 2012518), (422, 1812220), (502, 1523420), (722, 1059220), (760, 1006259), (844, 906110), (1004, 761710), (1055, 724888), (1255, 609368), (1444, 529610), (1688, 453055), (1805, 423688), (2008, 380855), (2110, 362444), (2510, 304684), (2888, 264805), (3610, 211844), (4009, 190760), (4220, 181222), (4769, 160360), (5020, 152342), (7220, 105922), (8018, 95380), (8440, 90611), (9538, 80180), (10040, 76171), (14440, 52961), (16036, 47690), (19076, 40090), (20045, 38152), (23845, 32072)]