2018703950

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{4091}}^1$

素因数の和:4313

約数の個数: 48

約数和(自身を含む): 3836004480

約数和(自身を除く): 1817300530

約数列:

[1, 2, 5, 10, 25, 50, 71, 139, 142, 278, 355, 695, 710, 1390, 1775, 3475, 3550, 4091, 6950, 8182, 9869, 19738, 20455, 40910, 49345, 98690, 102275, 204550, 246725, 290461, 493450, 568649, 580922, 1137298, 1452305, 2843245, 2904610, 5686490, 7261525, 14216225, 14523050, 28432450, 40374079, 80748158, 201870395, 403740790, 1009351975, 2018703950]

約数ペア:

[(1, 2018703950), (2, 1009351975), (5, 403740790), (10, 201870395), (25, 80748158), (50, 40374079), (71, 28432450), (139, 14523050), (142, 14216225), (278, 7261525), (355, 5686490), (695, 2904610), (710, 2843245), (1390, 1452305), (1775, 1137298), (3475, 580922), (3550, 568649), (4091, 493450), (6950, 290461), (8182, 246725), (9869, 204550), (19738, 102275), (20455, 98690), (40910, 49345)]